Home / 95,764.20-143,646.30-54,292.20

Finding the Fourth Proportional to 95,764.20, 143,646.30 and 54,292.20

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Solution

The fourth proportional to 95,764.20, 143,646.30 and 54,292.20 is: 81,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,764.20 : 143,646.30 = 54,292.20 : x
  2. Step 2: Convert to fraction form
    95,764.20/143,646.30 = 54,292.20/x
  3. Step 3: Cross multiply
    95,764.20x = 143,646.30 × 54,292.20
  4. Step 4: Simplify right side
    95,764.20x = 7,798,873,648.86
  5. Step 5: Solve for x
    x = 7,798,873,648.86/95,764.20
  6. Step 6: Final answer
    x = 81,438.30

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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.