Home / 72,150.17-108,247.14-34,699.61

Finding the Fourth Proportional to 72,150.17, 108,247.14 and 34,699.61

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Solution

The fourth proportional to 72,150.17, 108,247.14 and 34,699.61 is: 52,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,150.17 : 108,247.14 = 34,699.61 : x
  2. Step 2: Convert to fraction form
    72,150.17/108,247.14 = 34,699.61/x
  3. Step 3: Cross multiply
    72,150.17x = 108,247.14 × 34,699.61
  4. Step 4: Simplify right side
    72,150.17x = 3,756,133,000.38
  5. Step 5: Solve for x
    x = 3,756,133,000.38/72,150.17
  6. Step 6: Final answer
    x = 52,059.94

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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.