Home / 115,079.52-172,626.72-36,197.28

Finding the Fourth Proportional to 115,079.52, 172,626.72 and 36,197.28

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Solution

The fourth proportional to 115,079.52, 172,626.72 and 36,197.28 is: 54,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,079.52 : 172,626.72 = 36,197.28 : x
  2. Step 2: Convert to fraction form
    115,079.52/172,626.72 = 36,197.28/x
  3. Step 3: Cross multiply
    115,079.52x = 172,626.72 × 36,197.28
  4. Step 4: Simplify right side
    115,079.52x = 6,248,617,719.32
  5. Step 5: Solve for x
    x = 6,248,617,719.32/115,079.52
  6. Step 6: Final answer
    x = 54,298.26

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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.