Home / 77,372.64-106,755.12-45,539.04

Finding the Fourth Proportional to 77,372.64, 106,755.12 and 45,539.04

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Solution

The fourth proportional to 77,372.64, 106,755.12 and 45,539.04 is: 62,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.64 : 106,755.12 = 45,539.04 : x
  2. Step 2: Convert to fraction form
    77,372.64/106,755.12 = 45,539.04/x
  3. Step 3: Cross multiply
    77,372.64x = 106,755.12 × 45,539.04
  4. Step 4: Simplify right side
    77,372.64x = 4,861,525,679.88
  5. Step 5: Solve for x
    x = 4,861,525,679.88/77,372.64
  6. Step 6: Final answer
    x = 62,832.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.