Home / 68,210.50-94,131.49-39,532.30

Finding the Fourth Proportional to 68,210.50, 94,131.49 and 39,532.30

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Solution

The fourth proportional to 68,210.50, 94,131.49 and 39,532.30 is: 54,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,210.50 : 94,131.49 = 39,532.30 : x
  2. Step 2: Convert to fraction form
    68,210.50/94,131.49 = 39,532.30/x
  3. Step 3: Cross multiply
    68,210.50x = 94,131.49 × 39,532.30
  4. Step 4: Simplify right side
    68,210.50x = 3,721,234,302.13
  5. Step 5: Solve for x
    x = 3,721,234,302.13/68,210.50
  6. Step 6: Final answer
    x = 54,555.15

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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.