Home / 54,085.51-81,073.54-25,964.47

Finding the Fourth Proportional to 54,085.51, 81,073.54 and 25,964.47

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Solution

The fourth proportional to 54,085.51, 81,073.54 and 25,964.47 is: 38,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.51 : 81,073.54 = 25,964.47 : x
  2. Step 2: Convert to fraction form
    54,085.51/81,073.54 = 25,964.47/x
  3. Step 3: Cross multiply
    54,085.51x = 81,073.54 × 25,964.47
  4. Step 4: Simplify right side
    54,085.51x = 2,105,031,497.12
  5. Step 5: Solve for x
    x = 2,105,031,497.12/54,085.51
  6. Step 6: Final answer
    x = 38,920.43

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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.