Home / 60,204.84-90,338.20-28,650.68

Finding the Fourth Proportional to 60,204.84, 90,338.20 and 28,650.68

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Solution

The fourth proportional to 60,204.84, 90,338.20 and 28,650.68 is: 42,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,204.84 : 90,338.20 = 28,650.68 : x
  2. Step 2: Convert to fraction form
    60,204.84/90,338.20 = 28,650.68/x
  3. Step 3: Cross multiply
    60,204.84x = 90,338.20 × 28,650.68
  4. Step 4: Simplify right side
    60,204.84x = 2,588,250,859.98
  5. Step 5: Solve for x
    x = 2,588,250,859.98/60,204.84
  6. Step 6: Final answer
    x = 42,990.74

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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.