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Finding the Fourth Proportional to 64,737, 96,651.38 and 54,775.17

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Solution

The fourth proportional to 64,737, 96,651.38 and 54,775.17 is: 81,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737 : 96,651.38 = 54,775.17 : x
  2. Step 2: Convert to fraction form
    64,737/96,651.38 = 54,775.17/x
  3. Step 3: Cross multiply
    64,737x = 96,651.38 × 54,775.17
  4. Step 4: Simplify right side
    64,737x = 5,294,095,907.17
  5. Step 5: Solve for x
    x = 5,294,095,907.17/64,737
  6. Step 6: Final answer
    x = 81,778.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.