Home / 88,265.61-121,806.98-47,979.38

Finding the Fourth Proportional to 88,265.61, 121,806.98 and 47,979.38

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Solution

The fourth proportional to 88,265.61, 121,806.98 and 47,979.38 is: 66,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,265.61 : 121,806.98 = 47,979.38 : x
  2. Step 2: Convert to fraction form
    88,265.61/121,806.98 = 47,979.38/x
  3. Step 3: Cross multiply
    88,265.61x = 121,806.98 × 47,979.38
  4. Step 4: Simplify right side
    88,265.61x = 5,844,222,531.14
  5. Step 5: Solve for x
    x = 5,844,222,531.14/88,265.61
  6. Step 6: Final answer
    x = 66,211.77

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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.