Home / 88,279.96-121,828.70-47,996.43

Finding the Fourth Proportional to 88,279.96, 121,828.70 and 47,996.43

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Solution

The fourth proportional to 88,279.96, 121,828.70 and 47,996.43 is: 66,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.96 : 121,828.70 = 47,996.43 : x
  2. Step 2: Convert to fraction form
    88,279.96/121,828.70 = 47,996.43/x
  3. Step 3: Cross multiply
    88,279.96x = 121,828.70 × 47,996.43
  4. Step 4: Simplify right side
    88,279.96x = 5,847,342,671.54
  5. Step 5: Solve for x
    x = 5,847,342,671.54/88,279.96
  6. Step 6: Final answer
    x = 66,236.35

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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.