Home / 88,750.40-122,470.98-48,456.39

Finding the Fourth Proportional to 88,750.40, 122,470.98 and 48,456.39

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Solution

The fourth proportional to 88,750.40, 122,470.98 and 48,456.39 is: 66,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.40 : 122,470.98 = 48,456.39 : x
  2. Step 2: Convert to fraction form
    88,750.40/122,470.98 = 48,456.39/x
  3. Step 3: Cross multiply
    88,750.40x = 122,470.98 × 48,456.39
  4. Step 4: Simplify right side
    88,750.40x = 5,934,501,570.56
  5. Step 5: Solve for x
    x = 5,934,501,570.56/88,750.40
  6. Step 6: Final answer
    x = 66,867.33

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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.