Home / 95,381.20-142,949.40-53,261.20

Finding the Fourth Proportional to 95,381.20, 142,949.40 and 53,261.20

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Solution

The fourth proportional to 95,381.20, 142,949.40 and 53,261.20 is: 79,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,381.20 : 142,949.40 = 53,261.20 : x
  2. Step 2: Convert to fraction form
    95,381.20/142,949.40 = 53,261.20/x
  3. Step 3: Cross multiply
    95,381.20x = 142,949.40 × 53,261.20
  4. Step 4: Simplify right side
    95,381.20x = 7,613,656,583.28
  5. Step 5: Solve for x
    x = 7,613,656,583.28/95,381.20
  6. Step 6: Final answer
    x = 79,823.45

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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.