Home / 112,104.66-154,616.95-71,822.17

Finding the Fourth Proportional to 112,104.66, 154,616.95 and 71,822.17

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Solution

The fourth proportional to 112,104.66, 154,616.95 and 71,822.17 is: 99,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.66 : 154,616.95 = 71,822.17 : x
  2. Step 2: Convert to fraction form
    112,104.66/154,616.95 = 71,822.17/x
  3. Step 3: Cross multiply
    112,104.66x = 154,616.95 × 71,822.17
  4. Step 4: Simplify right side
    112,104.66x = 11,104,924,867.78
  5. Step 5: Solve for x
    x = 11,104,924,867.78/112,104.66
  6. Step 6: Final answer
    x = 99,058.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.