Home / 99,333.20-148,805.40-59,772.80

Finding the Fourth Proportional to 99,333.20, 148,805.40 and 59,772.80

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Solution

The fourth proportional to 99,333.20, 148,805.40 and 59,772.80 is: 89,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,333.20 : 148,805.40 = 59,772.80 : x
  2. Step 2: Convert to fraction form
    99,333.20/148,805.40 = 59,772.80/x
  3. Step 3: Cross multiply
    99,333.20x = 148,805.40 × 59,772.80
  4. Step 4: Simplify right side
    99,333.20x = 8,894,515,413.12
  5. Step 5: Solve for x
    x = 8,894,515,413.12/99,333.20
  6. Step 6: Final answer
    x = 89,542.22

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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.