Home / 65,073.14-89,801.61-38,215.97

Finding the Fourth Proportional to 65,073.14, 89,801.61 and 38,215.97

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Solution

The fourth proportional to 65,073.14, 89,801.61 and 38,215.97 is: 52,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,073.14 : 89,801.61 = 38,215.97 : x
  2. Step 2: Convert to fraction form
    65,073.14/89,801.61 = 38,215.97/x
  3. Step 3: Cross multiply
    65,073.14x = 89,801.61 × 38,215.97
  4. Step 4: Simplify right side
    65,073.14x = 3,431,855,633.71
  5. Step 5: Solve for x
    x = 3,431,855,633.71/65,073.14
  6. Step 6: Final answer
    x = 52,738.44

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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.