Home / 75,715.13-113,572.18-36,152.30

Finding the Fourth Proportional to 75,715.13, 113,572.18 and 36,152.30

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Solution

The fourth proportional to 75,715.13, 113,572.18 and 36,152.30 is: 54,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.13 : 113,572.18 = 36,152.30 : x
  2. Step 2: Convert to fraction form
    75,715.13/113,572.18 = 36,152.30/x
  3. Step 3: Cross multiply
    75,715.13x = 113,572.18 × 36,152.30
  4. Step 4: Simplify right side
    75,715.13x = 4,105,895,558.13
  5. Step 5: Solve for x
    x = 4,105,895,558.13/75,715.13
  6. Step 6: Final answer
    x = 54,228.20

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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.