Home / 54,069.96-81,108.18-25,995.72

Finding the Fourth Proportional to 54,069.96, 81,108.18 and 25,995.72

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Solution

The fourth proportional to 54,069.96, 81,108.18 and 25,995.72 is: 38,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.96 : 81,108.18 = 25,995.72 : x
  2. Step 2: Convert to fraction form
    54,069.96/81,108.18 = 25,995.72/x
  3. Step 3: Cross multiply
    54,069.96x = 81,108.18 × 25,995.72
  4. Step 4: Simplify right side
    54,069.96x = 2,108,465,536.99
  5. Step 5: Solve for x
    x = 2,108,465,536.99/54,069.96
  6. Step 6: Final answer
    x = 38,995.14

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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.