Home / 106,332.76-159,530.32-31,454.87

Finding the Fourth Proportional to 106,332.76, 159,530.32 and 31,454.87

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Solution

The fourth proportional to 106,332.76, 159,530.32 and 31,454.87 is: 47,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,332.76 : 159,530.32 = 31,454.87 : x
  2. Step 2: Convert to fraction form
    106,332.76/159,530.32 = 31,454.87/x
  3. Step 3: Cross multiply
    106,332.76x = 159,530.32 × 31,454.87
  4. Step 4: Simplify right side
    106,332.76x = 5,018,005,476.66
  5. Step 5: Solve for x
    x = 5,018,005,476.66/106,332.76
  6. Step 6: Final answer
    x = 47,191.53

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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.