Home / 57,063.47-78,758.39-38,233.31

Finding the Fourth Proportional to 57,063.47, 78,758.39 and 38,233.31

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Solution

The fourth proportional to 57,063.47, 78,758.39 and 38,233.31 is: 52,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.47 : 78,758.39 = 38,233.31 : x
  2. Step 2: Convert to fraction form
    57,063.47/78,758.39 = 38,233.31/x
  3. Step 3: Cross multiply
    57,063.47x = 78,758.39 × 38,233.31
  4. Step 4: Simplify right side
    57,063.47x = 3,011,193,641.76
  5. Step 5: Solve for x
    x = 3,011,193,641.76/57,063.47
  6. Step 6: Final answer
    x = 52,769.20

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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.