Home / 109,680.87-164,521.35-39,560.18

Finding the Fourth Proportional to 109,680.87, 164,521.35 and 39,560.18

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Solution

The fourth proportional to 109,680.87, 164,521.35 and 39,560.18 is: 59,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.87 : 164,521.35 = 39,560.18 : x
  2. Step 2: Convert to fraction form
    109,680.87/164,521.35 = 39,560.18/x
  3. Step 3: Cross multiply
    109,680.87x = 164,521.35 × 39,560.18
  4. Step 4: Simplify right side
    109,680.87x = 6,508,493,397.24
  5. Step 5: Solve for x
    x = 6,508,493,397.24/109,680.87
  6. Step 6: Final answer
    x = 59,340.28

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1.5x scale

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.