Home / 69,988.24-96,586.80-38,158.96

Finding the Fourth Proportional to 69,988.24, 96,586.80 and 38,158.96

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Solution

The fourth proportional to 69,988.24, 96,586.80 and 38,158.96 is: 52,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988.24 : 96,586.80 = 38,158.96 : x
  2. Step 2: Convert to fraction form
    69,988.24/96,586.80 = 38,158.96/x
  3. Step 3: Cross multiply
    69,988.24x = 96,586.80 × 38,158.96
  4. Step 4: Simplify right side
    69,988.24x = 3,685,651,837.73
  5. Step 5: Solve for x
    x = 3,685,651,837.73/69,988.24
  6. Step 6: Final answer
    x = 52,661.02

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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.