Home / 106,248.32-159,335.30-31,348.58

Finding the Fourth Proportional to 106,248.32, 159,335.30 and 31,348.58

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Solution

The fourth proportional to 106,248.32, 159,335.30 and 31,348.58 is: 47,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,248.32 : 159,335.30 = 31,348.58 : x
  2. Step 2: Convert to fraction form
    106,248.32/159,335.30 = 31,348.58/x
  3. Step 3: Cross multiply
    106,248.32x = 159,335.30 × 31,348.58
  4. Step 4: Simplify right side
    106,248.32x = 4,994,935,398.87
  5. Step 5: Solve for x
    x = 4,994,935,398.87/106,248.32
  6. Step 6: Final answer
    x = 47,011.90

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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.