Home / 89,867.69-134,822.28-26,686.41

Finding the Fourth Proportional to 89,867.69, 134,822.28 and 26,686.41

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Solution

The fourth proportional to 89,867.69, 134,822.28 and 26,686.41 is: 40,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.69 : 134,822.28 = 26,686.41 : x
  2. Step 2: Convert to fraction form
    89,867.69/134,822.28 = 26,686.41/x
  3. Step 3: Cross multiply
    89,867.69x = 134,822.28 × 26,686.41
  4. Step 4: Simplify right side
    89,867.69x = 3,597,922,641.21
  5. Step 5: Solve for x
    x = 3,597,922,641.21/89,867.69
  6. Step 6: Final answer
    x = 40,035.78

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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.