Home / 87,883.38-121,284.64-52,065.79

Finding the Fourth Proportional to 87,883.38, 121,284.64 and 52,065.79

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Solution

The fourth proportional to 87,883.38, 121,284.64 and 52,065.79 is: 71,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.38 : 121,284.64 = 52,065.79 : x
  2. Step 2: Convert to fraction form
    87,883.38/121,284.64 = 52,065.79/x
  3. Step 3: Cross multiply
    87,883.38x = 121,284.64 × 52,065.79
  4. Step 4: Simplify right side
    87,883.38x = 6,314,780,358.34
  5. Step 5: Solve for x
    x = 6,314,780,358.34/87,883.38
  6. Step 6: Final answer
    x = 71,854.09

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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.