Home / 89,743.68-134,600.16-40,484.16

Finding the Fourth Proportional to 89,743.68, 134,600.16 and 40,484.16

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Solution

The fourth proportional to 89,743.68, 134,600.16 and 40,484.16 is: 60,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.68 : 134,600.16 = 40,484.16 : x
  2. Step 2: Convert to fraction form
    89,743.68/134,600.16 = 40,484.16/x
  3. Step 3: Cross multiply
    89,743.68x = 134,600.16 × 40,484.16
  4. Step 4: Simplify right side
    89,743.68x = 5,449,174,413.47
  5. Step 5: Solve for x
    x = 5,449,174,413.47/89,743.68
  6. Step 6: Final answer
    x = 60,719.31

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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.