Home / 77,433.18-106,917.99-59,499.90

Finding the Fourth Proportional to 77,433.18, 106,917.99 and 59,499.90

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Solution

The fourth proportional to 77,433.18, 106,917.99 and 59,499.90 is: 82,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.18 : 106,917.99 = 59,499.90 : x
  2. Step 2: Convert to fraction form
    77,433.18/106,917.99 = 59,499.90/x
  3. Step 3: Cross multiply
    77,433.18x = 106,917.99 × 59,499.90
  4. Step 4: Simplify right side
    77,433.18x = 6,361,609,713.20
  5. Step 5: Solve for x
    x = 6,361,609,713.20/77,433.18
  6. Step 6: Final answer
    x = 82,156.12

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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.