Home / 62,778.90-86,635.50-34,099.11

Finding the Fourth Proportional to 62,778.90, 86,635.50 and 34,099.11

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Solution

The fourth proportional to 62,778.90, 86,635.50 and 34,099.11 is: 47,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,778.90 : 86,635.50 = 34,099.11 : x
  2. Step 2: Convert to fraction form
    62,778.90/86,635.50 = 34,099.11/x
  3. Step 3: Cross multiply
    62,778.90x = 86,635.50 × 34,099.11
  4. Step 4: Simplify right side
    62,778.90x = 2,954,193,897.16
  5. Step 5: Solve for x
    x = 2,954,193,897.16/62,778.90
  6. Step 6: Final answer
    x = 47,057.12

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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.