Home / 54,875.57-75,728.40-29,725.07

Finding the Fourth Proportional to 54,875.57, 75,728.40 and 29,725.07

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Solution

The fourth proportional to 54,875.57, 75,728.40 and 29,725.07 is: 41,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.57 : 75,728.40 = 29,725.07 : x
  2. Step 2: Convert to fraction form
    54,875.57/75,728.40 = 29,725.07/x
  3. Step 3: Cross multiply
    54,875.57x = 75,728.40 × 29,725.07
  4. Step 4: Simplify right side
    54,875.57x = 2,251,031,990.99
  5. Step 5: Solve for x
    x = 2,251,031,990.99/54,875.57
  6. Step 6: Final answer
    x = 41,020.66

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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.