Home / 57,715.10-86,572.65-48,529.70

Finding the Fourth Proportional to 57,715.10, 86,572.65 and 48,529.70

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Solution

The fourth proportional to 57,715.10, 86,572.65 and 48,529.70 is: 72,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.10 : 86,572.65 = 48,529.70 : x
  2. Step 2: Convert to fraction form
    57,715.10/86,572.65 = 48,529.70/x
  3. Step 3: Cross multiply
    57,715.10x = 86,572.65 × 48,529.70
  4. Step 4: Simplify right side
    57,715.10x = 4,201,344,732.71
  5. Step 5: Solve for x
    x = 4,201,344,732.71/57,715.10
  6. Step 6: Final answer
    x = 72,794.55

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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.