Home / 89,712.36-134,467.97-36,391.95

Finding the Fourth Proportional to 89,712.36, 134,467.97 and 36,391.95

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Solution

The fourth proportional to 89,712.36, 134,467.97 and 36,391.95 is: 54,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.36 : 134,467.97 = 36,391.95 : x
  2. Step 2: Convert to fraction form
    89,712.36/134,467.97 = 36,391.95/x
  3. Step 3: Cross multiply
    89,712.36x = 134,467.97 × 36,391.95
  4. Step 4: Simplify right side
    89,712.36x = 4,893,551,458.88
  5. Step 5: Solve for x
    x = 4,893,551,458.88/89,712.36
  6. Step 6: Final answer
    x = 54,547.13

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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.