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Finding the Fourth Proportional to 60,477.30, 84,755.70 and 60,477.30

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Solution

The fourth proportional to 60,477.30, 84,755.70 and 60,477.30 is: 84,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.30 : 84,755.70 = 60,477.30 : x
  2. Step 2: Convert to fraction form
    60,477.30/84,755.70 = 60,477.30/x
  3. Step 3: Cross multiply
    60,477.30x = 84,755.70 × 60,477.30
  4. Step 4: Simplify right side
    60,477.30x = 5,125,795,895.61
  5. Step 5: Solve for x
    x = 5,125,795,895.61/60,477.30
  6. Step 6: Final answer
    x = 84,755.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.