Home / 71,488.16-98,658.33-41,274.75

Finding the Fourth Proportional to 71,488.16, 98,658.33 and 41,274.75

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Solution

The fourth proportional to 71,488.16, 98,658.33 and 41,274.75 is: 56,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488.16 : 98,658.33 = 41,274.75 : x
  2. Step 2: Convert to fraction form
    71,488.16/98,658.33 = 41,274.75/x
  3. Step 3: Cross multiply
    71,488.16x = 98,658.33 × 41,274.75
  4. Step 4: Simplify right side
    71,488.16x = 4,072,097,906.17
  5. Step 5: Solve for x
    x = 4,072,097,906.17/71,488.16
  6. Step 6: Final answer
    x = 56,961.85

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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.