Home / 77,242.72-106,570.17-43,246.20

Finding the Fourth Proportional to 77,242.72, 106,570.17 and 43,246.20

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Solution

The fourth proportional to 77,242.72, 106,570.17 and 43,246.20 is: 59,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242.72 : 106,570.17 = 43,246.20 : x
  2. Step 2: Convert to fraction form
    77,242.72/106,570.17 = 43,246.20/x
  3. Step 3: Cross multiply
    77,242.72x = 106,570.17 × 43,246.20
  4. Step 4: Simplify right side
    77,242.72x = 4,608,754,885.85
  5. Step 5: Solve for x
    x = 4,608,754,885.85/77,242.72
  6. Step 6: Final answer
    x = 59,665.88

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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.