Home / 45,868.66-68,809.11-18,160.18

Finding the Fourth Proportional to 45,868.66, 68,809.11 and 18,160.18

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Solution

The fourth proportional to 45,868.66, 68,809.11 and 18,160.18 is: 27,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.66 : 68,809.11 = 18,160.18 : x
  2. Step 2: Convert to fraction form
    45,868.66/68,809.11 = 18,160.18/x
  3. Step 3: Cross multiply
    45,868.66x = 68,809.11 × 18,160.18
  4. Step 4: Simplify right side
    45,868.66x = 1,249,585,823.24
  5. Step 5: Solve for x
    x = 1,249,585,823.24/45,868.66
  6. Step 6: Final answer
    x = 27,242.69

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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.