Home / 65,626.97-98,377.07-21,223.58

Finding the Fourth Proportional to 65,626.97, 98,377.07 and 21,223.58

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Solution

The fourth proportional to 65,626.97, 98,377.07 and 21,223.58 is: 31,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,626.97 : 98,377.07 = 21,223.58 : x
  2. Step 2: Convert to fraction form
    65,626.97/98,377.07 = 21,223.58/x
  3. Step 3: Cross multiply
    65,626.97x = 98,377.07 × 21,223.58
  4. Step 4: Simplify right side
    65,626.97x = 2,087,913,017.31
  5. Step 5: Solve for x
    x = 2,087,913,017.31/65,626.97
  6. Step 6: Final answer
    x = 31,814.86

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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.