Home / 95,164.90-131,341.54-54,870.78

Finding the Fourth Proportional to 95,164.90, 131,341.54 and 54,870.78

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Solution

The fourth proportional to 95,164.90, 131,341.54 and 54,870.78 is: 75,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,164.90 : 131,341.54 = 54,870.78 : x
  2. Step 2: Convert to fraction form
    95,164.90/131,341.54 = 54,870.78/x
  3. Step 3: Cross multiply
    95,164.90x = 131,341.54 × 54,870.78
  4. Step 4: Simplify right side
    95,164.90x = 7,206,812,746.20
  5. Step 5: Solve for x
    x = 7,206,812,746.20/95,164.90
  6. Step 6: Final answer
    x = 75,729.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.