Home / 61,402.30-92,125.05-30,216.70

Finding the Fourth Proportional to 61,402.30, 92,125.05 and 30,216.70

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Solution

The fourth proportional to 61,402.30, 92,125.05 and 30,216.70 is: 45,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.30 : 92,125.05 = 30,216.70 : x
  2. Step 2: Convert to fraction form
    61,402.30/92,125.05 = 30,216.70/x
  3. Step 3: Cross multiply
    61,402.30x = 92,125.05 × 30,216.70
  4. Step 4: Simplify right side
    61,402.30x = 2,783,714,998.34
  5. Step 5: Solve for x
    x = 2,783,714,998.34/61,402.30
  6. Step 6: Final answer
    x = 45,335.68

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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.