Home / 77,387.22-106,817.18-50,533.92

Finding the Fourth Proportional to 77,387.22, 106,817.18 and 50,533.92

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Solution

The fourth proportional to 77,387.22, 106,817.18 and 50,533.92 is: 69,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.22 : 106,817.18 = 50,533.92 : x
  2. Step 2: Convert to fraction form
    77,387.22/106,817.18 = 50,533.92/x
  3. Step 3: Cross multiply
    77,387.22x = 106,817.18 × 50,533.92
  4. Step 4: Simplify right side
    77,387.22x = 5,397,890,576.08
  5. Step 5: Solve for x
    x = 5,397,890,576.08/77,387.22
  6. Step 6: Final answer
    x = 69,751.71

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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.