Home / 89,948.68-134,910.32-49,434.82

Finding the Fourth Proportional to 89,948.68, 134,910.32 and 49,434.82

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Solution

The fourth proportional to 89,948.68, 134,910.32 and 49,434.82 is: 74,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,948.68 : 134,910.32 = 49,434.82 : x
  2. Step 2: Convert to fraction form
    89,948.68/134,910.32 = 49,434.82/x
  3. Step 3: Cross multiply
    89,948.68x = 134,910.32 × 49,434.82
  4. Step 4: Simplify right side
    89,948.68x = 6,669,267,385.34
  5. Step 5: Solve for x
    x = 6,669,267,385.34/89,948.68
  6. Step 6: Final answer
    x = 74,145.25

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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.