Home / 83,089.28-114,665.92-45,366.40

Finding the Fourth Proportional to 83,089.28, 114,665.92 and 45,366.40

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Solution

The fourth proportional to 83,089.28, 114,665.92 and 45,366.40 is: 62,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,089.28 : 114,665.92 = 45,366.40 : x
  2. Step 2: Convert to fraction form
    83,089.28/114,665.92 = 45,366.40/x
  3. Step 3: Cross multiply
    83,089.28x = 114,665.92 × 45,366.40
  4. Step 4: Simplify right side
    83,089.28x = 5,201,979,993.09
  5. Step 5: Solve for x
    x = 5,201,979,993.09/83,089.28
  6. Step 6: Final answer
    x = 62,607.11

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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.