Home / 65,108.97-89,863.47-38,260.17

Finding the Fourth Proportional to 65,108.97, 89,863.47 and 38,260.17

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Solution

The fourth proportional to 65,108.97, 89,863.47 and 38,260.17 is: 52,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.97 : 89,863.47 = 38,260.17 : x
  2. Step 2: Convert to fraction form
    65,108.97/89,863.47 = 38,260.17/x
  3. Step 3: Cross multiply
    65,108.97x = 89,863.47 × 38,260.17
  4. Step 4: Simplify right side
    65,108.97x = 3,438,191,638.99
  5. Step 5: Solve for x
    x = 3,438,191,638.99/65,108.97
  6. Step 6: Final answer
    x = 52,806.73

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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.