Home / 75,979.92-113,966.64-23,387.16

Finding the Fourth Proportional to 75,979.92, 113,966.64 and 23,387.16

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Solution

The fourth proportional to 75,979.92, 113,966.64 and 23,387.16 is: 35,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,979.92 : 113,966.64 = 23,387.16 : x
  2. Step 2: Convert to fraction form
    75,979.92/113,966.64 = 23,387.16/x
  3. Step 3: Cross multiply
    75,979.92x = 113,966.64 × 23,387.16
  4. Step 4: Simplify right side
    75,979.92x = 2,665,356,044.34
  5. Step 5: Solve for x
    x = 2,665,356,044.34/75,979.92
  6. Step 6: Final answer
    x = 35,079.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.