Home / 91,694.47-137,513.68-63,413.25

Finding the Fourth Proportional to 91,694.47, 137,513.68 and 63,413.25

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Solution

The fourth proportional to 91,694.47, 137,513.68 and 63,413.25 is: 95,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,694.47 : 137,513.68 = 63,413.25 : x
  2. Step 2: Convert to fraction form
    91,694.47/137,513.68 = 63,413.25/x
  3. Step 3: Cross multiply
    91,694.47x = 137,513.68 × 63,413.25
  4. Step 4: Simplify right side
    91,694.47x = 8,720,189,368.26
  5. Step 5: Solve for x
    x = 8,720,189,368.26/91,694.47
  6. Step 6: Final answer
    x = 95,100.49

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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.