Home / 83,127.24-114,712.74-47,318.76

Finding the Fourth Proportional to 83,127.24, 114,712.74 and 47,318.76

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Solution

The fourth proportional to 83,127.24, 114,712.74 and 47,318.76 is: 65,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.24 : 114,712.74 = 47,318.76 : x
  2. Step 2: Convert to fraction form
    83,127.24/114,712.74 = 47,318.76/x
  3. Step 3: Cross multiply
    83,127.24x = 114,712.74 × 47,318.76
  4. Step 4: Simplify right side
    83,127.24x = 5,428,064,613.00
  5. Step 5: Solve for x
    x = 5,428,064,613.00/83,127.24
  6. Step 6: Final answer
    x = 65,298.27

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1.5x scale

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.