Home / 65,223.52-90,003.36-38,367.04

Finding the Fourth Proportional to 65,223.52, 90,003.36 and 38,367.04

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Solution

The fourth proportional to 65,223.52, 90,003.36 and 38,367.04 is: 52,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,223.52 : 90,003.36 = 38,367.04 : x
  2. Step 2: Convert to fraction form
    65,223.52/90,003.36 = 38,367.04/x
  3. Step 3: Cross multiply
    65,223.52x = 90,003.36 × 38,367.04
  4. Step 4: Simplify right side
    65,223.52x = 3,453,162,513.25
  5. Step 5: Solve for x
    x = 3,453,162,513.25/65,223.52
  6. Step 6: Final answer
    x = 52,943.52

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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.