Home / 45,852.66-68,785.11-18,144.18

Finding the Fourth Proportional to 45,852.66, 68,785.11 and 18,144.18

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Solution

The fourth proportional to 45,852.66, 68,785.11 and 18,144.18 is: 27,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852.66 : 68,785.11 = 18,144.18 : x
  2. Step 2: Convert to fraction form
    45,852.66/68,785.11 = 18,144.18/x
  3. Step 3: Cross multiply
    45,852.66x = 68,785.11 × 18,144.18
  4. Step 4: Simplify right side
    45,852.66x = 1,248,049,417.16
  5. Step 5: Solve for x
    x = 1,248,049,417.16/45,852.66
  6. Step 6: Final answer
    x = 27,218.69

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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.