Home / 40,161.15-60,278.99-28,928.07

Finding the Fourth Proportional to 40,161.15, 60,278.99 and 28,928.07

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Solution

The fourth proportional to 40,161.15, 60,278.99 and 28,928.07 is: 43,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.15 : 60,278.99 = 28,928.07 : x
  2. Step 2: Convert to fraction form
    40,161.15/60,278.99 = 28,928.07/x
  3. Step 3: Cross multiply
    40,161.15x = 60,278.99 × 28,928.07
  4. Step 4: Simplify right side
    40,161.15x = 1,743,754,697.61
  5. Step 5: Solve for x
    x = 1,743,754,697.61/40,161.15
  6. Step 6: Final answer
    x = 43,418.94

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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.