Home / 42,131.14-63,159.68-17,192.18

Finding the Fourth Proportional to 42,131.14, 63,159.68 and 17,192.18

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Solution

The fourth proportional to 42,131.14, 63,159.68 and 17,192.18 is: 25,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131.14 : 63,159.68 = 17,192.18 : x
  2. Step 2: Convert to fraction form
    42,131.14/63,159.68 = 17,192.18/x
  3. Step 3: Cross multiply
    42,131.14x = 63,159.68 × 17,192.18
  4. Step 4: Simplify right side
    42,131.14x = 1,085,852,788.18
  5. Step 5: Solve for x
    x = 1,085,852,788.18/42,131.14
  6. Step 6: Final answer
    x = 25,773.17

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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.