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Finding the Fourth Proportional to 62,072.76, 93,068.34 and 40,948.38

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Solution

The fourth proportional to 62,072.76, 93,068.34 and 40,948.38 is: 61,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,072.76 : 93,068.34 = 40,948.38 : x
  2. Step 2: Convert to fraction form
    62,072.76/93,068.34 = 40,948.38/x
  3. Step 3: Cross multiply
    62,072.76x = 93,068.34 × 40,948.38
  4. Step 4: Simplify right side
    62,072.76x = 3,810,997,752.29
  5. Step 5: Solve for x
    x = 3,810,997,752.29/62,072.76
  6. Step 6: Final answer
    x = 61,395.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.