Home / 65,358.11-90,195.98-36,679.53

Finding the Fourth Proportional to 65,358.11, 90,195.98 and 36,679.53

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Solution

The fourth proportional to 65,358.11, 90,195.98 and 36,679.53 is: 50,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,358.11 : 90,195.98 = 36,679.53 : x
  2. Step 2: Convert to fraction form
    65,358.11/90,195.98 = 36,679.53/x
  3. Step 3: Cross multiply
    65,358.11x = 90,195.98 × 36,679.53
  4. Step 4: Simplify right side
    65,358.11x = 3,308,346,154.29
  5. Step 5: Solve for x
    x = 3,308,346,154.29/65,358.11
  6. Step 6: Final answer
    x = 50,618.75

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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.