Home / 54,868.50-75,718.53-29,718.18

Finding the Fourth Proportional to 54,868.50, 75,718.53 and 29,718.18

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Solution

The fourth proportional to 54,868.50, 75,718.53 and 29,718.18 is: 41,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.50 : 75,718.53 = 29,718.18 : x
  2. Step 2: Convert to fraction form
    54,868.50/75,718.53 = 29,718.18/x
  3. Step 3: Cross multiply
    54,868.50x = 75,718.53 × 29,718.18
  4. Step 4: Simplify right side
    54,868.50x = 2,250,216,903.88
  5. Step 5: Solve for x
    x = 2,250,216,903.88/54,868.50
  6. Step 6: Final answer
    x = 41,011.09

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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.