Home / 68,939.55-95,133.02-38,726.15

Finding the Fourth Proportional to 68,939.55, 95,133.02 and 38,726.15

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Solution

The fourth proportional to 68,939.55, 95,133.02 and 38,726.15 is: 53,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.55 : 95,133.02 = 38,726.15 : x
  2. Step 2: Convert to fraction form
    68,939.55/95,133.02 = 38,726.15/x
  3. Step 3: Cross multiply
    68,939.55x = 95,133.02 × 38,726.15
  4. Step 4: Simplify right side
    68,939.55x = 3,684,134,933.18
  5. Step 5: Solve for x
    x = 3,684,134,933.18/68,939.55
  6. Step 6: Final answer
    x = 53,440.08

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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.