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Finding the Fourth Proportional to 60,134.44, 90,199.79 and 28,567.22

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Solution

The fourth proportional to 60,134.44, 90,199.79 and 28,567.22 is: 42,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.44 : 90,199.79 = 28,567.22 : x
  2. Step 2: Convert to fraction form
    60,134.44/90,199.79 = 28,567.22/x
  3. Step 3: Cross multiply
    60,134.44x = 90,199.79 × 28,567.22
  4. Step 4: Simplify right side
    60,134.44x = 2,576,756,865.30
  5. Step 5: Solve for x
    x = 2,576,756,865.30/60,134.44
  6. Step 6: Final answer
    x = 42,849.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.