Home / 79,422.47-109,603.30-43,123.97

Finding the Fourth Proportional to 79,422.47, 109,603.30 and 43,123.97

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Solution

The fourth proportional to 79,422.47, 109,603.30 and 43,123.97 is: 59,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.47 : 109,603.30 = 43,123.97 : x
  2. Step 2: Convert to fraction form
    79,422.47/109,603.30 = 43,123.97/x
  3. Step 3: Cross multiply
    79,422.47x = 109,603.30 × 43,123.97
  4. Step 4: Simplify right side
    79,422.47x = 4,726,528,873.08
  5. Step 5: Solve for x
    x = 4,726,528,873.08/79,422.47
  6. Step 6: Final answer
    x = 59,511.23

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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.