Home / 74,221.00-102,422.49-43,988.38

Finding the Fourth Proportional to 74,221.00, 102,422.49 and 43,988.38

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Solution

The fourth proportional to 74,221.00, 102,422.49 and 43,988.38 is: 60,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,221.00 : 102,422.49 = 43,988.38 : x
  2. Step 2: Convert to fraction form
    74,221.00/102,422.49 = 43,988.38/x
  3. Step 3: Cross multiply
    74,221.00x = 102,422.49 × 43,988.38
  4. Step 4: Simplify right side
    74,221.00x = 4,505,399,182.31
  5. Step 5: Solve for x
    x = 4,505,399,182.31/74,221.00
  6. Step 6: Final answer
    x = 60,702.48

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1.5x scale

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.