Home / 69,152.18-95,439.28-40,480.61

Finding the Fourth Proportional to 69,152.18, 95,439.28 and 40,480.61

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Solution

The fourth proportional to 69,152.18, 95,439.28 and 40,480.61 is: 55,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,152.18 : 95,439.28 = 40,480.61 : x
  2. Step 2: Convert to fraction form
    69,152.18/95,439.28 = 40,480.61/x
  3. Step 3: Cross multiply
    69,152.18x = 95,439.28 × 40,480.61
  4. Step 4: Simplify right side
    69,152.18x = 3,863,440,127.76
  5. Step 5: Solve for x
    x = 3,863,440,127.76/69,152.18
  6. Step 6: Final answer
    x = 55,868.67

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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.