Home / 69,515.16-104,272.72-60,127.28

Finding the Fourth Proportional to 69,515.16, 104,272.72 and 60,127.28

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Solution

The fourth proportional to 69,515.16, 104,272.72 and 60,127.28 is: 90,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.16 : 104,272.72 = 60,127.28 : x
  2. Step 2: Convert to fraction form
    69,515.16/104,272.72 = 60,127.28/x
  3. Step 3: Cross multiply
    69,515.16x = 104,272.72 × 60,127.28
  4. Step 4: Simplify right side
    69,515.16x = 6,269,635,031.80
  5. Step 5: Solve for x
    x = 6,269,635,031.80/69,515.16
  6. Step 6: Final answer
    x = 90,190.90

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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.