Home / 115,282.08-172,918.80-36,401.04

Finding the Fourth Proportional to 115,282.08, 172,918.80 and 36,401.04

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Solution

The fourth proportional to 115,282.08, 172,918.80 and 36,401.04 is: 54,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,282.08 : 172,918.80 = 36,401.04 : x
  2. Step 2: Convert to fraction form
    115,282.08/172,918.80 = 36,401.04/x
  3. Step 3: Cross multiply
    115,282.08x = 172,918.80 × 36,401.04
  4. Step 4: Simplify right side
    115,282.08x = 6,294,424,155.55
  5. Step 5: Solve for x
    x = 6,294,424,155.55/115,282.08
  6. Step 6: Final answer
    x = 54,600.20

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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.