Home / 69,909.48-96,475.23-38,078.28

Finding the Fourth Proportional to 69,909.48, 96,475.23 and 38,078.28

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Solution

The fourth proportional to 69,909.48, 96,475.23 and 38,078.28 is: 52,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.48 : 96,475.23 = 38,078.28 : x
  2. Step 2: Convert to fraction form
    69,909.48/96,475.23 = 38,078.28/x
  3. Step 3: Cross multiply
    69,909.48x = 96,475.23 × 38,078.28
  4. Step 4: Simplify right side
    69,909.48x = 3,673,610,821.00
  5. Step 5: Solve for x
    x = 3,673,610,821.00/69,909.48
  6. Step 6: Final answer
    x = 52,548.11

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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.