Home / 88,699.75-122,405.66-60,454.78

Finding the Fourth Proportional to 88,699.75, 122,405.66 and 60,454.78

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Solution

The fourth proportional to 88,699.75, 122,405.66 and 60,454.78 is: 83,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,699.75 : 122,405.66 = 60,454.78 : x
  2. Step 2: Convert to fraction form
    88,699.75/122,405.66 = 60,454.78/x
  3. Step 3: Cross multiply
    88,699.75x = 122,405.66 × 60,454.78
  4. Step 4: Simplify right side
    88,699.75x = 7,400,007,246.05
  5. Step 5: Solve for x
    x = 7,400,007,246.05/88,699.75
  6. Step 6: Final answer
    x = 83,427.60

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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.