Home / 95,425.18-142,919.74-45,540.30

Finding the Fourth Proportional to 95,425.18, 142,919.74 and 45,540.30

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Solution

The fourth proportional to 95,425.18, 142,919.74 and 45,540.30 is: 68,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425.18 : 142,919.74 = 45,540.30 : x
  2. Step 2: Convert to fraction form
    95,425.18/142,919.74 = 45,540.30/x
  3. Step 3: Cross multiply
    95,425.18x = 142,919.74 × 45,540.30
  4. Step 4: Simplify right side
    95,425.18x = 6,508,607,835.52
  5. Step 5: Solve for x
    x = 6,508,607,835.52/95,425.18
  6. Step 6: Final answer
    x = 68,206.40

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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.