Home / 95,401.20-142,979.40-53,281.20

Finding the Fourth Proportional to 95,401.20, 142,979.40 and 53,281.20

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Solution

The fourth proportional to 95,401.20, 142,979.40 and 53,281.20 is: 79,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,401.20 : 142,979.40 = 53,281.20 : x
  2. Step 2: Convert to fraction form
    95,401.20/142,979.40 = 53,281.20/x
  3. Step 3: Cross multiply
    95,401.20x = 142,979.40 × 53,281.20
  4. Step 4: Simplify right side
    95,401.20x = 7,618,114,007.28
  5. Step 5: Solve for x
    x = 7,618,114,007.28/95,401.20
  6. Step 6: Final answer
    x = 79,853.44

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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.