Home / 102,627.68-141,628.60-57,304.13

Finding the Fourth Proportional to 102,627.68, 141,628.60 and 57,304.13

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Solution

The fourth proportional to 102,627.68, 141,628.60 and 57,304.13 is: 79,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,627.68 : 141,628.60 = 57,304.13 : x
  2. Step 2: Convert to fraction form
    102,627.68/141,628.60 = 57,304.13/x
  3. Step 3: Cross multiply
    102,627.68x = 141,628.60 × 57,304.13
  4. Step 4: Simplify right side
    102,627.68x = 8,115,903,706.12
  5. Step 5: Solve for x
    x = 8,115,903,706.12/102,627.68
  6. Step 6: Final answer
    x = 79,081.04

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1.5x scale

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.