Home / 54,066.57-81,117.20-25,988.66

Finding the Fourth Proportional to 54,066.57, 81,117.20 and 25,988.66

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Solution

The fourth proportional to 54,066.57, 81,117.20 and 25,988.66 is: 38,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,066.57 : 81,117.20 = 25,988.66 : x
  2. Step 2: Convert to fraction form
    54,066.57/81,117.20 = 25,988.66/x
  3. Step 3: Cross multiply
    54,066.57x = 81,117.20 × 25,988.66
  4. Step 4: Simplify right side
    54,066.57x = 2,108,126,795.42
  5. Step 5: Solve for x
    x = 2,108,126,795.42/54,066.57
  6. Step 6: Final answer
    x = 38,991.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.