Home / 115,013.20-172,417.20-44,876.20

Finding the Fourth Proportional to 115,013.20, 172,417.20 and 44,876.20

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Solution

The fourth proportional to 115,013.20, 172,417.20 and 44,876.20 is: 67,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,013.20 : 172,417.20 = 44,876.20 : x
  2. Step 2: Convert to fraction form
    115,013.20/172,417.20 = 44,876.20/x
  3. Step 3: Cross multiply
    115,013.20x = 172,417.20 × 44,876.20
  4. Step 4: Simplify right side
    115,013.20x = 7,737,428,750.64
  5. Step 5: Solve for x
    x = 7,737,428,750.64/115,013.20
  6. Step 6: Final answer
    x = 67,274.27

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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.