Home / 65,349.11-90,232.56-50,217.90

Finding the Fourth Proportional to 65,349.11, 90,232.56 and 50,217.90

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Solution

The fourth proportional to 65,349.11, 90,232.56 and 50,217.90 is: 69,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.11 : 90,232.56 = 50,217.90 : x
  2. Step 2: Convert to fraction form
    65,349.11/90,232.56 = 50,217.90/x
  3. Step 3: Cross multiply
    65,349.11x = 90,232.56 × 50,217.90
  4. Step 4: Simplify right side
    65,349.11x = 4,531,289,674.82
  5. Step 5: Solve for x
    x = 4,531,289,674.82/65,349.11
  6. Step 6: Final answer
    x = 69,339.74

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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.