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Finding the Fourth Proportional to 62,776.62, 93,977.82 and 56,362.23

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Solution

The fourth proportional to 62,776.62, 93,977.82 and 56,362.23 is: 84,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,776.62 : 93,977.82 = 56,362.23 : x
  2. Step 2: Convert to fraction form
    62,776.62/93,977.82 = 56,362.23/x
  3. Step 3: Cross multiply
    62,776.62x = 93,977.82 × 56,362.23
  4. Step 4: Simplify right side
    62,776.62x = 5,296,799,505.74
  5. Step 5: Solve for x
    x = 5,296,799,505.74/62,776.62
  6. Step 6: Final answer
    x = 84,375.35

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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.