Home / 57,758.20-86,594.10-31,492.60

Finding the Fourth Proportional to 57,758.20, 86,594.10 and 31,492.60

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Solution

The fourth proportional to 57,758.20, 86,594.10 and 31,492.60 is: 47,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,758.20 : 86,594.10 = 31,492.60 : x
  2. Step 2: Convert to fraction form
    57,758.20/86,594.10 = 31,492.60/x
  3. Step 3: Cross multiply
    57,758.20x = 86,594.10 × 31,492.60
  4. Step 4: Simplify right side
    57,758.20x = 2,727,073,353.66
  5. Step 5: Solve for x
    x = 2,727,073,353.66/57,758.20
  6. Step 6: Final answer
    x = 47,215.35

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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.