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Finding the Fourth Proportional to 64,332.78, 96,608.79 and 41,881.70

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Solution

The fourth proportional to 64,332.78, 96,608.79 and 41,881.70 is: 62,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,332.78 : 96,608.79 = 41,881.70 : x
  2. Step 2: Convert to fraction form
    64,332.78/96,608.79 = 41,881.70/x
  3. Step 3: Cross multiply
    64,332.78x = 96,608.79 × 41,881.70
  4. Step 4: Simplify right side
    64,332.78x = 4,046,139,877.10
  5. Step 5: Solve for x
    x = 4,046,139,877.10/64,332.78
  6. Step 6: Final answer
    x = 62,893.91

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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.