Home / 115,037.10-172,574.55-36,132.30

Finding the Fourth Proportional to 115,037.10, 172,574.55 and 36,132.30

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Solution

The fourth proportional to 115,037.10, 172,574.55 and 36,132.30 is: 54,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.10 : 172,574.55 = 36,132.30 : x
  2. Step 2: Convert to fraction form
    115,037.10/172,574.55 = 36,132.30/x
  3. Step 3: Cross multiply
    115,037.10x = 172,574.55 × 36,132.30
  4. Step 4: Simplify right side
    115,037.10x = 6,235,515,412.97
  5. Step 5: Solve for x
    x = 6,235,515,412.97/115,037.10
  6. Step 6: Final answer
    x = 54,204.39

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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.