Home / 106,127.66-159,121.02-42,043.30

Finding the Fourth Proportional to 106,127.66, 159,121.02 and 42,043.30

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Solution

The fourth proportional to 106,127.66, 159,121.02 and 42,043.30 is: 63,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,127.66 : 159,121.02 = 42,043.30 : x
  2. Step 2: Convert to fraction form
    106,127.66/159,121.02 = 42,043.30/x
  3. Step 3: Cross multiply
    106,127.66x = 159,121.02 × 42,043.30
  4. Step 4: Simplify right side
    106,127.66x = 6,689,972,780.17
  5. Step 5: Solve for x
    x = 6,689,972,780.17/106,127.66
  6. Step 6: Final answer
    x = 63,037.03

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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.