Home / 88,488.60-132,413.40-76,157.36

Finding the Fourth Proportional to 88,488.60, 132,413.40 and 76,157.36

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Solution

The fourth proportional to 88,488.60, 132,413.40 and 76,157.36 is: 113,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,488.60 : 132,413.40 = 76,157.36 : x
  2. Step 2: Convert to fraction form
    88,488.60/132,413.40 = 76,157.36/x
  3. Step 3: Cross multiply
    88,488.60x = 132,413.40 × 76,157.36
  4. Step 4: Simplify right side
    88,488.60x = 10,084,254,972.62
  5. Step 5: Solve for x
    x = 10,084,254,972.62/88,488.60
  6. Step 6: Final answer
    x = 113,961.06

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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.