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Finding the Fourth Proportional to 88,907.86, 133,384.11 and 62,663.86

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Solution

The fourth proportional to 88,907.86, 133,384.11 and 62,663.86 is: 94,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,907.86 : 133,384.11 = 62,663.86 : x
  2. Step 2: Convert to fraction form
    88,907.86/133,384.11 = 62,663.86/x
  3. Step 3: Cross multiply
    88,907.86x = 133,384.11 × 62,663.86
  4. Step 4: Simplify right side
    88,907.86x = 8,358,363,195.26
  5. Step 5: Solve for x
    x = 8,358,363,195.26/88,907.86
  6. Step 6: Final answer
    x = 94,011.52

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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.