Home / 81,170.24-112,003.92-45,358.52

Finding the Fourth Proportional to 81,170.24, 112,003.92 and 45,358.52

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Solution

The fourth proportional to 81,170.24, 112,003.92 and 45,358.52 is: 62,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,170.24 : 112,003.92 = 45,358.52 : x
  2. Step 2: Convert to fraction form
    81,170.24/112,003.92 = 45,358.52/x
  3. Step 3: Cross multiply
    81,170.24x = 112,003.92 × 45,358.52
  4. Step 4: Simplify right side
    81,170.24x = 5,080,332,045.40
  5. Step 5: Solve for x
    x = 5,080,332,045.40/81,170.24
  6. Step 6: Final answer
    x = 62,588.60

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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.