Home / 94,417.10-141,625.65-86,543.90

Finding the Fourth Proportional to 94,417.10, 141,625.65 and 86,543.90

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Solution

The fourth proportional to 94,417.10, 141,625.65 and 86,543.90 is: 129,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,417.10 : 141,625.65 = 86,543.90 : x
  2. Step 2: Convert to fraction form
    94,417.10/141,625.65 = 86,543.90/x
  3. Step 3: Cross multiply
    94,417.10x = 141,625.65 × 86,543.90
  4. Step 4: Simplify right side
    94,417.10x = 12,256,836,091.04
  5. Step 5: Solve for x
    x = 12,256,836,091.04/94,417.10
  6. Step 6: Final answer
    x = 129,815.85

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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.