Home / 57,658.20-86,487.30-36,025.80

Finding the Fourth Proportional to 57,658.20, 86,487.30 and 36,025.80

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Solution

The fourth proportional to 57,658.20, 86,487.30 and 36,025.80 is: 54,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.20 : 86,487.30 = 36,025.80 : x
  2. Step 2: Convert to fraction form
    57,658.20/86,487.30 = 36,025.80/x
  3. Step 3: Cross multiply
    57,658.20x = 86,487.30 × 36,025.80
  4. Step 4: Simplify right side
    57,658.20x = 3,115,774,172.34
  5. Step 5: Solve for x
    x = 3,115,774,172.34/57,658.20
  6. Step 6: Final answer
    x = 54,038.70

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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.