Home / 88,413.30-132,425.55-76,749.30

Finding the Fourth Proportional to 88,413.30, 132,425.55 and 76,749.30

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Solution

The fourth proportional to 88,413.30, 132,425.55 and 76,749.30 is: 114,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,413.30 : 132,425.55 = 76,749.30 : x
  2. Step 2: Convert to fraction form
    88,413.30/132,425.55 = 76,749.30/x
  3. Step 3: Cross multiply
    88,413.30x = 132,425.55 × 76,749.30
  4. Step 4: Simplify right side
    88,413.30x = 10,163,568,264.62
  5. Step 5: Solve for x
    x = 10,163,568,264.62/88,413.30
  6. Step 6: Final answer
    x = 114,955.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.