Home / 68,240.58-94,172.19-39,565.80

Finding the Fourth Proportional to 68,240.58, 94,172.19 and 39,565.80

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Solution

The fourth proportional to 68,240.58, 94,172.19 and 39,565.80 is: 54,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.58 : 94,172.19 = 39,565.80 : x
  2. Step 2: Convert to fraction form
    68,240.58/94,172.19 = 39,565.80/x
  3. Step 3: Cross multiply
    68,240.58x = 94,172.19 × 39,565.80
  4. Step 4: Simplify right side
    68,240.58x = 3,725,998,035.10
  5. Step 5: Solve for x
    x = 3,725,998,035.10/68,240.58
  6. Step 6: Final answer
    x = 54,600.91

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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.