Home / 91,099.24-136,652.52-28,769.76

Finding the Fourth Proportional to 91,099.24, 136,652.52 and 28,769.76

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Solution

The fourth proportional to 91,099.24, 136,652.52 and 28,769.76 is: 43,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.24 : 136,652.52 = 28,769.76 : x
  2. Step 2: Convert to fraction form
    91,099.24/136,652.52 = 28,769.76/x
  3. Step 3: Cross multiply
    91,099.24x = 136,652.52 × 28,769.76
  4. Step 4: Simplify right side
    91,099.24x = 3,931,460,203.80
  5. Step 5: Solve for x
    x = 3,931,460,203.80/91,099.24
  6. Step 6: Final answer
    x = 43,155.80

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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.