Home / 51,002.88-70,387.08-28,342.02

Finding the Fourth Proportional to 51,002.88, 70,387.08 and 28,342.02

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Solution

The fourth proportional to 51,002.88, 70,387.08 and 28,342.02 is: 39,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,002.88 : 70,387.08 = 28,342.02 : x
  2. Step 2: Convert to fraction form
    51,002.88/70,387.08 = 28,342.02/x
  3. Step 3: Cross multiply
    51,002.88x = 70,387.08 × 28,342.02
  4. Step 4: Simplify right side
    51,002.88x = 1,994,912,029.10
  5. Step 5: Solve for x
    x = 1,994,912,029.10/51,002.88
  6. Step 6: Final answer
    x = 39,113.71

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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.