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Finding the Fourth Proportional to 62,187.59, 85,821.17 and 35,334.65

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Solution

The fourth proportional to 62,187.59, 85,821.17 and 35,334.65 is: 48,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.59 : 85,821.17 = 35,334.65 : x
  2. Step 2: Convert to fraction form
    62,187.59/85,821.17 = 35,334.65/x
  3. Step 3: Cross multiply
    62,187.59x = 85,821.17 × 35,334.65
  4. Step 4: Simplify right side
    62,187.59x = 3,032,461,307.43
  5. Step 5: Solve for x
    x = 3,032,461,307.43/62,187.59
  6. Step 6: Final answer
    x = 48,763.12

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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.