Home / 86,713.97-119,684.58-52,715.25

Finding the Fourth Proportional to 86,713.97, 119,684.58 and 52,715.25

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Solution

The fourth proportional to 86,713.97, 119,684.58 and 52,715.25 is: 72,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,713.97 : 119,684.58 = 52,715.25 : x
  2. Step 2: Convert to fraction form
    86,713.97/119,684.58 = 52,715.25/x
  3. Step 3: Cross multiply
    86,713.97x = 119,684.58 × 52,715.25
  4. Step 4: Simplify right side
    86,713.97x = 6,309,202,358.16
  5. Step 5: Solve for x
    x = 6,309,202,358.16/86,713.97
  6. Step 6: Final answer
    x = 72,758.78

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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.