Home / 88,906.20-133,359.30-57,413.40

Finding the Fourth Proportional to 88,906.20, 133,359.30 and 57,413.40

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Solution

The fourth proportional to 88,906.20, 133,359.30 and 57,413.40 is: 86,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,906.20 : 133,359.30 = 57,413.40 : x
  2. Step 2: Convert to fraction form
    88,906.20/133,359.30 = 57,413.40/x
  3. Step 3: Cross multiply
    88,906.20x = 133,359.30 × 57,413.40
  4. Step 4: Simplify right side
    88,906.20x = 7,656,610,834.62
  5. Step 5: Solve for x
    x = 7,656,610,834.62/88,906.20
  6. Step 6: Final answer
    x = 86,120.10

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1.5x scale

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.