Home / 61,675.20-85,112.08-34,818.80

Finding the Fourth Proportional to 61,675.20, 85,112.08 and 34,818.80

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Solution

The fourth proportional to 61,675.20, 85,112.08 and 34,818.80 is: 48,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,675.20 : 85,112.08 = 34,818.80 : x
  2. Step 2: Convert to fraction form
    61,675.20/85,112.08 = 34,818.80/x
  3. Step 3: Cross multiply
    61,675.20x = 85,112.08 × 34,818.80
  4. Step 4: Simplify right side
    61,675.20x = 2,963,500,491.10
  5. Step 5: Solve for x
    x = 2,963,500,491.10/61,675.20
  6. Step 6: Final answer
    x = 48,050.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.