Home / 88,264.96-121,806.80-47,979.32

Finding the Fourth Proportional to 88,264.96, 121,806.80 and 47,979.32

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Solution

The fourth proportional to 88,264.96, 121,806.80 and 47,979.32 is: 66,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,264.96 : 121,806.80 = 47,979.32 : x
  2. Step 2: Convert to fraction form
    88,264.96/121,806.80 = 47,979.32/x
  3. Step 3: Cross multiply
    88,264.96x = 121,806.80 × 47,979.32
  4. Step 4: Simplify right side
    88,264.96x = 5,844,207,435.38
  5. Step 5: Solve for x
    x = 5,844,207,435.38/88,264.96
  6. Step 6: Final answer
    x = 66,212.09

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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.