Home / 69,961.47-96,549.40-39,751.90

Finding the Fourth Proportional to 69,961.47, 96,549.40 and 39,751.90

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Solution

The fourth proportional to 69,961.47, 96,549.40 and 39,751.90 is: 54,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.47 : 96,549.40 = 39,751.90 : x
  2. Step 2: Convert to fraction form
    69,961.47/96,549.40 = 39,751.90/x
  3. Step 3: Cross multiply
    69,961.47x = 96,549.40 × 39,751.90
  4. Step 4: Simplify right side
    69,961.47x = 3,838,022,597.00
  5. Step 5: Solve for x
    x = 3,838,022,597.00/69,961.47
  6. Step 6: Final answer
    x = 54,859.09

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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.