Home / 54,776.82-75,585.51-30,902.10

Finding the Fourth Proportional to 54,776.82, 75,585.51 and 30,902.10

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Solution

The fourth proportional to 54,776.82, 75,585.51 and 30,902.10 is: 42,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,776.82 : 75,585.51 = 30,902.10 : x
  2. Step 2: Convert to fraction form
    54,776.82/75,585.51 = 30,902.10/x
  3. Step 3: Cross multiply
    54,776.82x = 75,585.51 × 30,902.10
  4. Step 4: Simplify right side
    54,776.82x = 2,335,750,988.57
  5. Step 5: Solve for x
    x = 2,335,750,988.57/54,776.82
  6. Step 6: Final answer
    x = 42,641.23

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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.