Home / 60,241.89-90,240.12-28,555.91

Finding the Fourth Proportional to 60,241.89, 90,240.12 and 28,555.91

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Solution

The fourth proportional to 60,241.89, 90,240.12 and 28,555.91 is: 42,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,241.89 : 90,240.12 = 28,555.91 : x
  2. Step 2: Convert to fraction form
    60,241.89/90,240.12 = 28,555.91/x
  3. Step 3: Cross multiply
    60,241.89x = 90,240.12 × 28,555.91
  4. Step 4: Simplify right side
    60,241.89x = 2,576,888,745.11
  5. Step 5: Solve for x
    x = 2,576,888,745.11/60,241.89
  6. Step 6: Final answer
    x = 42,775.70

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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.