Home / 65,062.12-89,776.23-38,213.29

Finding the Fourth Proportional to 65,062.12, 89,776.23 and 38,213.29

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Solution

The fourth proportional to 65,062.12, 89,776.23 and 38,213.29 is: 52,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.12 : 89,776.23 = 38,213.29 : x
  2. Step 2: Convert to fraction form
    65,062.12/89,776.23 = 38,213.29/x
  3. Step 3: Cross multiply
    65,062.12x = 89,776.23 × 38,213.29
  4. Step 4: Simplify right side
    65,062.12x = 3,430,645,112.10
  5. Step 5: Solve for x
    x = 3,430,645,112.10/65,062.12
  6. Step 6: Final answer
    x = 52,728.76

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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.