Home / 89,867.97-134,817.81-30,689.77

Finding the Fourth Proportional to 89,867.97, 134,817.81 and 30,689.77

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Solution

The fourth proportional to 89,867.97, 134,817.81 and 30,689.77 is: 46,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.97 : 134,817.81 = 30,689.77 : x
  2. Step 2: Convert to fraction form
    89,867.97/134,817.81 = 30,689.77/x
  3. Step 3: Cross multiply
    89,867.97x = 134,817.81 × 30,689.77
  4. Step 4: Simplify right side
    89,867.97x = 4,137,527,580.80
  5. Step 5: Solve for x
    x = 4,137,527,580.80/89,867.97
  6. Step 6: Final answer
    x = 46,040.07

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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.