Home / 106,335.04-159,531.68-31,458.88

Finding the Fourth Proportional to 106,335.04, 159,531.68 and 31,458.88

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Solution

The fourth proportional to 106,335.04, 159,531.68 and 31,458.88 is: 47,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,335.04 : 159,531.68 = 31,458.88 : x
  2. Step 2: Convert to fraction form
    106,335.04/159,531.68 = 31,458.88/x
  3. Step 3: Cross multiply
    106,335.04x = 159,531.68 × 31,458.88
  4. Step 4: Simplify right side
    106,335.04x = 5,018,687,977.32
  5. Step 5: Solve for x
    x = 5,018,687,977.32/106,335.04
  6. Step 6: Final answer
    x = 47,196.94

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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.