Home / 82,781.24-114,238.68-45,055.76

Finding the Fourth Proportional to 82,781.24, 114,238.68 and 45,055.76

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Solution

The fourth proportional to 82,781.24, 114,238.68 and 45,055.76 is: 62,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781.24 : 114,238.68 = 45,055.76 : x
  2. Step 2: Convert to fraction form
    82,781.24/114,238.68 = 45,055.76/x
  3. Step 3: Cross multiply
    82,781.24x = 114,238.68 × 45,055.76
  4. Step 4: Simplify right side
    82,781.24x = 5,147,110,548.80
  5. Step 5: Solve for x
    x = 5,147,110,548.80/82,781.24
  6. Step 6: Final answer
    x = 62,177.26

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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.