Home / 95,630.18-143,334.40-84,558.50

Finding the Fourth Proportional to 95,630.18, 143,334.40 and 84,558.50

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Solution

The fourth proportional to 95,630.18, 143,334.40 and 84,558.50 is: 126,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,630.18 : 143,334.40 = 84,558.50 : x
  2. Step 2: Convert to fraction form
    95,630.18/143,334.40 = 84,558.50/x
  3. Step 3: Cross multiply
    95,630.18x = 143,334.40 × 84,558.50
  4. Step 4: Simplify right side
    95,630.18x = 12,120,141,862.40
  5. Step 5: Solve for x
    x = 12,120,141,862.40/95,630.18
  6. Step 6: Final answer
    x = 126,739.72

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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.