Home / 106,335.45-159,503.15-31,449.76

Finding the Fourth Proportional to 106,335.45, 159,503.15 and 31,449.76

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Solution

The fourth proportional to 106,335.45, 159,503.15 and 31,449.76 is: 47,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,335.45 : 159,503.15 = 31,449.76 : x
  2. Step 2: Convert to fraction form
    106,335.45/159,503.15 = 31,449.76/x
  3. Step 3: Cross multiply
    106,335.45x = 159,503.15 × 31,449.76
  4. Step 4: Simplify right side
    106,335.45x = 5,016,335,466.61
  5. Step 5: Solve for x
    x = 5,016,335,466.61/106,335.45
  6. Step 6: Final answer
    x = 47,174.63

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1.5x scale

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.