Home / 115,068.90-172,620.36-58,940.76

Finding the Fourth Proportional to 115,068.90, 172,620.36 and 58,940.76

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Solution

The fourth proportional to 115,068.90, 172,620.36 and 58,940.76 is: 88,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,068.90 : 172,620.36 = 58,940.76 : x
  2. Step 2: Convert to fraction form
    115,068.90/172,620.36 = 58,940.76/x
  3. Step 3: Cross multiply
    115,068.90x = 172,620.36 × 58,940.76
  4. Step 4: Simplify right side
    115,068.90x = 10,174,375,209.87
  5. Step 5: Solve for x
    x = 10,174,375,209.87/115,068.90
  6. Step 6: Final answer
    x = 88,419.85

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1.5x scale

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.