Home / 115,599.10-173,398.65-36,721.30

Finding the Fourth Proportional to 115,599.10, 173,398.65 and 36,721.30

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Solution

The fourth proportional to 115,599.10, 173,398.65 and 36,721.30 is: 55,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.10 : 173,398.65 = 36,721.30 : x
  2. Step 2: Convert to fraction form
    115,599.10/173,398.65 = 36,721.30/x
  3. Step 3: Cross multiply
    115,599.10x = 173,398.65 × 36,721.30
  4. Step 4: Simplify right side
    115,599.10x = 6,367,423,846.25
  5. Step 5: Solve for x
    x = 6,367,423,846.25/115,599.10
  6. Step 6: Final answer
    x = 55,081.95

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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.