Home / 81,117.92-121,681.22-24,996.58

Finding the Fourth Proportional to 81,117.92, 121,681.22 and 24,996.58

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Solution

The fourth proportional to 81,117.92, 121,681.22 and 24,996.58 is: 37,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,117.92 : 121,681.22 = 24,996.58 : x
  2. Step 2: Convert to fraction form
    81,117.92/121,681.22 = 24,996.58/x
  3. Step 3: Cross multiply
    81,117.92x = 121,681.22 × 24,996.58
  4. Step 4: Simplify right side
    81,117.92x = 3,041,613,921.04
  5. Step 5: Solve for x
    x = 3,041,613,921.04/81,117.92
  6. Step 6: Final answer
    x = 37,496.20

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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.