Home / 65,119.23-89,836.02-38,249.62

Finding the Fourth Proportional to 65,119.23, 89,836.02 and 38,249.62

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Solution

The fourth proportional to 65,119.23, 89,836.02 and 38,249.62 is: 52,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119.23 : 89,836.02 = 38,249.62 : x
  2. Step 2: Convert to fraction form
    65,119.23/89,836.02 = 38,249.62/x
  3. Step 3: Cross multiply
    65,119.23x = 89,836.02 × 38,249.62
  4. Step 4: Simplify right side
    65,119.23x = 3,436,193,402.72
  5. Step 5: Solve for x
    x = 3,436,193,402.72/65,119.23
  6. Step 6: Final answer
    x = 52,767.72

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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.