Home / 54,855.60-75,700.96-29,705.12

Finding the Fourth Proportional to 54,855.60, 75,700.96 and 29,705.12

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Solution

The fourth proportional to 54,855.60, 75,700.96 and 29,705.12 is: 40,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.60 : 75,700.96 = 29,705.12 : x
  2. Step 2: Convert to fraction form
    54,855.60/75,700.96 = 29,705.12/x
  3. Step 3: Cross multiply
    54,855.60x = 75,700.96 × 29,705.12
  4. Step 4: Simplify right side
    54,855.60x = 2,248,706,100.92
  5. Step 5: Solve for x
    x = 2,248,706,100.92/54,855.60
  6. Step 6: Final answer
    x = 40,993.19

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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.