Home / 106,127.16-159,120.27-42,042.80

Finding the Fourth Proportional to 106,127.16, 159,120.27 and 42,042.80

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Solution

The fourth proportional to 106,127.16, 159,120.27 and 42,042.80 is: 63,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,127.16 : 159,120.27 = 42,042.80 : x
  2. Step 2: Convert to fraction form
    106,127.16/159,120.27 = 42,042.80/x
  3. Step 3: Cross multiply
    106,127.16x = 159,120.27 × 42,042.80
  4. Step 4: Simplify right side
    106,127.16x = 6,689,860,891.95
  5. Step 5: Solve for x
    x = 6,689,860,891.95/106,127.16
  6. Step 6: Final answer
    x = 63,036.28

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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.