Home / 102,726.84-141,748.14-60,275.64

Finding the Fourth Proportional to 102,726.84, 141,748.14 and 60,275.64

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Solution

The fourth proportional to 102,726.84, 141,748.14 and 60,275.64 is: 83,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,726.84 : 141,748.14 = 60,275.64 : x
  2. Step 2: Convert to fraction form
    102,726.84/141,748.14 = 60,275.64/x
  3. Step 3: Cross multiply
    102,726.84x = 141,748.14 × 60,275.64
  4. Step 4: Simplify right side
    102,726.84x = 8,543,959,857.31
  5. Step 5: Solve for x
    x = 8,543,959,857.31/102,726.84
  6. Step 6: Final answer
    x = 83,171.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.