Home / 109,981.75-151,775.22-59,680.75

Finding the Fourth Proportional to 109,981.75, 151,775.22 and 59,680.75

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Solution

The fourth proportional to 109,981.75, 151,775.22 and 59,680.75 is: 82,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.75 : 151,775.22 = 59,680.75 : x
  2. Step 2: Convert to fraction form
    109,981.75/151,775.22 = 59,680.75/x
  3. Step 3: Cross multiply
    109,981.75x = 151,775.22 × 59,680.75
  4. Step 4: Simplify right side
    109,981.75x = 9,058,058,961.02
  5. Step 5: Solve for x
    x = 9,058,058,961.02/109,981.75
  6. Step 6: Final answer
    x = 82,359.65

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1.5x scale

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.