Home / 54,875.96-75,729.12-29,725.46

Finding the Fourth Proportional to 54,875.96, 75,729.12 and 29,725.46

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Solution

The fourth proportional to 54,875.96, 75,729.12 and 29,725.46 is: 41,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.96 : 75,729.12 = 29,725.46 : x
  2. Step 2: Convert to fraction form
    54,875.96/75,729.12 = 29,725.46/x
  3. Step 3: Cross multiply
    54,875.96x = 75,729.12 × 29,725.46
  4. Step 4: Simplify right side
    54,875.96x = 2,251,082,927.40
  5. Step 5: Solve for x
    x = 2,251,082,927.40/54,875.96
  6. Step 6: Final answer
    x = 41,021.29

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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.