Home / 65,631.49-98,422.61-51,754.97

Finding the Fourth Proportional to 65,631.49, 98,422.61 and 51,754.97

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Solution

The fourth proportional to 65,631.49, 98,422.61 and 51,754.97 is: 77,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,631.49 : 98,422.61 = 51,754.97 : x
  2. Step 2: Convert to fraction form
    65,631.49/98,422.61 = 51,754.97/x
  3. Step 3: Cross multiply
    65,631.49x = 98,422.61 × 51,754.97
  4. Step 4: Simplify right side
    65,631.49x = 5,093,859,215.15
  5. Step 5: Solve for x
    x = 5,093,859,215.15/65,631.49
  6. Step 6: Final answer
    x = 77,613.04

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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.