Home / 88,266.40-121,805.06-47,979.14

Finding the Fourth Proportional to 88,266.40, 121,805.06 and 47,979.14

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Solution

The fourth proportional to 88,266.40, 121,805.06 and 47,979.14 is: 66,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.40 : 121,805.06 = 47,979.14 : x
  2. Step 2: Convert to fraction form
    88,266.40/121,805.06 = 47,979.14/x
  3. Step 3: Cross multiply
    88,266.40x = 121,805.06 × 47,979.14
  4. Step 4: Simplify right side
    88,266.40x = 5,844,101,177.53
  5. Step 5: Solve for x
    x = 5,844,101,177.53/88,266.40
  6. Step 6: Final answer
    x = 66,209.81

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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.