Home / 77,502.28-106,956.66-45,672.52

Finding the Fourth Proportional to 77,502.28, 106,956.66 and 45,672.52

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Solution

The fourth proportional to 77,502.28, 106,956.66 and 45,672.52 is: 63,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,502.28 : 106,956.66 = 45,672.52 : x
  2. Step 2: Convert to fraction form
    77,502.28/106,956.66 = 45,672.52/x
  3. Step 3: Cross multiply
    77,502.28x = 106,956.66 × 45,672.52
  4. Step 4: Simplify right side
    77,502.28x = 4,884,980,192.98
  5. Step 5: Solve for x
    x = 4,884,980,192.98/77,502.28
  6. Step 6: Final answer
    x = 63,030.15

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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.