Home / 57,425.12-86,130.85-15,308.36

Finding the Fourth Proportional to 57,425.12, 86,130.85 and 15,308.36

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Solution

The fourth proportional to 57,425.12, 86,130.85 and 15,308.36 is: 22,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,425.12 : 86,130.85 = 15,308.36 : x
  2. Step 2: Convert to fraction form
    57,425.12/86,130.85 = 15,308.36/x
  3. Step 3: Cross multiply
    57,425.12x = 86,130.85 × 15,308.36
  4. Step 4: Simplify right side
    57,425.12x = 1,318,522,058.91
  5. Step 5: Solve for x
    x = 1,318,522,058.91/57,425.12
  6. Step 6: Final answer
    x = 22,960.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.