Home / 117,691.08-162,413.81-63,976.10

Finding the Fourth Proportional to 117,691.08, 162,413.81 and 63,976.10

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Solution

The fourth proportional to 117,691.08, 162,413.81 and 63,976.10 is: 88,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,691.08 : 162,413.81 = 63,976.10 : x
  2. Step 2: Convert to fraction form
    117,691.08/162,413.81 = 63,976.10/x
  3. Step 3: Cross multiply
    117,691.08x = 162,413.81 × 63,976.10
  4. Step 4: Simplify right side
    117,691.08x = 10,390,601,017.99
  5. Step 5: Solve for x
    x = 10,390,601,017.99/117,691.08
  6. Step 6: Final answer
    x = 88,287.07

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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.