Home / 99,413.96-137,187.16-54,092.12

Finding the Fourth Proportional to 99,413.96, 137,187.16 and 54,092.12

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Solution

The fourth proportional to 99,413.96, 137,187.16 and 54,092.12 is: 74,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413.96 : 137,187.16 = 54,092.12 : x
  2. Step 2: Convert to fraction form
    99,413.96/137,187.16 = 54,092.12/x
  3. Step 3: Cross multiply
    99,413.96x = 137,187.16 × 54,092.12
  4. Step 4: Simplify right side
    99,413.96x = 7,420,744,528.92
  5. Step 5: Solve for x
    x = 7,420,744,528.92/99,413.96
  6. Step 6: Final answer
    x = 74,644.89

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1.5x scale

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.