Home / 124,568.19-171,827.28-88,769.70

Finding the Fourth Proportional to 124,568.19, 171,827.28 and 88,769.70

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Solution

The fourth proportional to 124,568.19, 171,827.28 and 88,769.70 is: 122,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.19 : 171,827.28 = 88,769.70 : x
  2. Step 2: Convert to fraction form
    124,568.19/171,827.28 = 88,769.70/x
  3. Step 3: Cross multiply
    124,568.19x = 171,827.28 × 88,769.70
  4. Step 4: Simplify right side
    124,568.19x = 15,253,056,097.42
  5. Step 5: Solve for x
    x = 15,253,056,097.42/124,568.19
  6. Step 6: Final answer
    x = 122,447.44

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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.