Home / 88,364.07-121,829.42-57,264.32

Finding the Fourth Proportional to 88,364.07, 121,829.42 and 57,264.32

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Solution

The fourth proportional to 88,364.07, 121,829.42 and 57,264.32 is: 78,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.07 : 121,829.42 = 57,264.32 : x
  2. Step 2: Convert to fraction form
    88,364.07/121,829.42 = 57,264.32/x
  3. Step 3: Cross multiply
    88,364.07x = 121,829.42 × 57,264.32
  4. Step 4: Simplify right side
    88,364.07x = 6,976,479,340.03
  5. Step 5: Solve for x
    x = 6,976,479,340.03/88,364.07
  6. Step 6: Final answer
    x = 78,951.54

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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.