Home / 117,375.12-176,025.84-38,471.76

Finding the Fourth Proportional to 117,375.12, 176,025.84 and 38,471.76

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Solution

The fourth proportional to 117,375.12, 176,025.84 and 38,471.76 is: 57,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.12 : 176,025.84 = 38,471.76 : x
  2. Step 2: Convert to fraction form
    117,375.12/176,025.84 = 38,471.76/x
  3. Step 3: Cross multiply
    117,375.12x = 176,025.84 × 38,471.76
  4. Step 4: Simplify right side
    117,375.12x = 6,772,023,870.28
  5. Step 5: Solve for x
    x = 6,772,023,870.28/117,375.12
  6. Step 6: Final answer
    x = 57,695.57

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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.