Home / 91,835.76-126,616.92-70,350.96

Finding the Fourth Proportional to 91,835.76, 126,616.92 and 70,350.96

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Solution

The fourth proportional to 91,835.76, 126,616.92 and 70,350.96 is: 96,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835.76 : 126,616.92 = 70,350.96 : x
  2. Step 2: Convert to fraction form
    91,835.76/126,616.92 = 70,350.96/x
  3. Step 3: Cross multiply
    91,835.76x = 126,616.92 × 70,350.96
  4. Step 4: Simplify right side
    91,835.76x = 8,907,621,874.24
  5. Step 5: Solve for x
    x = 8,907,621,874.24/91,835.76
  6. Step 6: Final answer
    x = 96,995.13

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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.