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Finding the Fourth Proportional to 61,951.65, 93,343.93 and 56,035.12

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Solution

The fourth proportional to 61,951.65, 93,343.93 and 56,035.12 is: 84,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951.65 : 93,343.93 = 56,035.12 : x
  2. Step 2: Convert to fraction form
    61,951.65/93,343.93 = 56,035.12/x
  3. Step 3: Cross multiply
    61,951.65x = 93,343.93 × 56,035.12
  4. Step 4: Simplify right side
    61,951.65x = 5,230,538,318.82
  5. Step 5: Solve for x
    x = 5,230,538,318.82/61,951.65
  6. Step 6: Final answer
    x = 84,429.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.