Home / 69,872.47-104,753.35-65,111.65

Finding the Fourth Proportional to 69,872.47, 104,753.35 and 65,111.65

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Solution

The fourth proportional to 69,872.47, 104,753.35 and 65,111.65 is: 97,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.47 : 104,753.35 = 65,111.65 : x
  2. Step 2: Convert to fraction form
    69,872.47/104,753.35 = 65,111.65/x
  3. Step 3: Cross multiply
    69,872.47x = 104,753.35 × 65,111.65
  4. Step 4: Simplify right side
    69,872.47x = 6,820,663,281.03
  5. Step 5: Solve for x
    x = 6,820,663,281.03/69,872.47
  6. Step 6: Final answer
    x = 97,615.88

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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.