Home / 115,034.47-172,543.45-36,171.25

Finding the Fourth Proportional to 115,034.47, 172,543.45 and 36,171.25

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Solution

The fourth proportional to 115,034.47, 172,543.45 and 36,171.25 is: 54,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034.47 : 172,543.45 = 36,171.25 : x
  2. Step 2: Convert to fraction form
    115,034.47/172,543.45 = 36,171.25/x
  3. Step 3: Cross multiply
    115,034.47x = 172,543.45 × 36,171.25
  4. Step 4: Simplify right side
    115,034.47x = 6,241,112,265.81
  5. Step 5: Solve for x
    x = 6,241,112,265.81/115,034.47
  6. Step 6: Final answer
    x = 54,254.28

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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.