Home / 115,080.12-172,641.96-44,955

Finding the Fourth Proportional to 115,080.12, 172,641.96 and 44,955

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Solution

The fourth proportional to 115,080.12, 172,641.96 and 44,955 is: 67,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,080.12 : 172,641.96 = 44,955 : x
  2. Step 2: Convert to fraction form
    115,080.12/172,641.96 = 44,955/x
  3. Step 3: Cross multiply
    115,080.12x = 172,641.96 × 44,955
  4. Step 4: Simplify right side
    115,080.12x = 7,761,119,311.80
  5. Step 5: Solve for x
    x = 7,761,119,311.80/115,080.12
  6. Step 6: Final answer
    x = 67,441.01

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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.