Home / 95,489.15-143,281.25-72,258.11

Finding the Fourth Proportional to 95,489.15, 143,281.25 and 72,258.11

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Solution

The fourth proportional to 95,489.15, 143,281.25 and 72,258.11 is: 108,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.15 : 143,281.25 = 72,258.11 : x
  2. Step 2: Convert to fraction form
    95,489.15/143,281.25 = 72,258.11/x
  3. Step 3: Cross multiply
    95,489.15x = 143,281.25 × 72,258.11
  4. Step 4: Simplify right side
    95,489.15x = 10,353,231,962.15
  5. Step 5: Solve for x
    x = 10,353,231,962.15/95,489.15
  6. Step 6: Final answer
    x = 108,423.12

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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.