Home / 61,856.20-92,784.30-28,566.42

Finding the Fourth Proportional to 61,856.20, 92,784.30 and 28,566.42

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Solution

The fourth proportional to 61,856.20, 92,784.30 and 28,566.42 is: 42,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.20 : 92,784.30 = 28,566.42 : x
  2. Step 2: Convert to fraction form
    61,856.20/92,784.30 = 28,566.42/x
  3. Step 3: Cross multiply
    61,856.20x = 92,784.30 × 28,566.42
  4. Step 4: Simplify right side
    61,856.20x = 2,650,515,283.21
  5. Step 5: Solve for x
    x = 2,650,515,283.21/61,856.20
  6. Step 6: Final answer
    x = 42,849.63

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.