Home / 119,049.38-178,572.12-47,970.30

Finding the Fourth Proportional to 119,049.38, 178,572.12 and 47,970.30

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Solution

The fourth proportional to 119,049.38, 178,572.12 and 47,970.30 is: 71,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,049.38 : 178,572.12 = 47,970.30 : x
  2. Step 2: Convert to fraction form
    119,049.38/178,572.12 = 47,970.30/x
  3. Step 3: Cross multiply
    119,049.38x = 178,572.12 × 47,970.30
  4. Step 4: Simplify right side
    119,049.38x = 8,566,158,168.04
  5. Step 5: Solve for x
    x = 8,566,158,168.04/119,049.38
  6. Step 6: Final answer
    x = 71,954.66

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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.