Home / 86,133.24-118,857.78-48,413.16

Finding the Fourth Proportional to 86,133.24, 118,857.78 and 48,413.16

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Solution

The fourth proportional to 86,133.24, 118,857.78 and 48,413.16 is: 66,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.24 : 118,857.78 = 48,413.16 : x
  2. Step 2: Convert to fraction form
    86,133.24/118,857.78 = 48,413.16/x
  3. Step 3: Cross multiply
    86,133.24x = 118,857.78 × 48,413.16
  4. Step 4: Simplify right side
    86,133.24x = 5,754,280,720.38
  5. Step 5: Solve for x
    x = 5,754,280,720.38/86,133.24
  6. Step 6: Final answer
    x = 66,806.74

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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.