Home / 68,217.98-94,140.96-39,543.17

Finding the Fourth Proportional to 68,217.98, 94,140.96 and 39,543.17

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Solution

The fourth proportional to 68,217.98, 94,140.96 and 39,543.17 is: 54,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.98 : 94,140.96 = 39,543.17 : x
  2. Step 2: Convert to fraction form
    68,217.98/94,140.96 = 39,543.17/x
  3. Step 3: Cross multiply
    68,217.98x = 94,140.96 × 39,543.17
  4. Step 4: Simplify right side
    68,217.98x = 3,722,631,985.24
  5. Step 5: Solve for x
    x = 3,722,631,985.24/68,217.98
  6. Step 6: Final answer
    x = 54,569.66

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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.