Home / 115,121.98-172,364.15-58,840.91

Finding the Fourth Proportional to 115,121.98, 172,364.15 and 58,840.91

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Solution

The fourth proportional to 115,121.98, 172,364.15 and 58,840.91 is: 88,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,121.98 : 172,364.15 = 58,840.91 : x
  2. Step 2: Convert to fraction form
    115,121.98/172,364.15 = 58,840.91/x
  3. Step 3: Cross multiply
    115,121.98x = 172,364.15 × 58,840.91
  4. Step 4: Simplify right side
    115,121.98x = 10,142,062,884.25
  5. Step 5: Solve for x
    x = 10,142,062,884.25/115,121.98
  6. Step 6: Final answer
    x = 88,098.40

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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.