Home / 52,271.20-72,144.76-31,046.36

Finding the Fourth Proportional to 52,271.20, 72,144.76 and 31,046.36

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Solution

The fourth proportional to 52,271.20, 72,144.76 and 31,046.36 is: 42,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.20 : 72,144.76 = 31,046.36 : x
  2. Step 2: Convert to fraction form
    52,271.20/72,144.76 = 31,046.36/x
  3. Step 3: Cross multiply
    52,271.20x = 72,144.76 × 31,046.36
  4. Step 4: Simplify right side
    52,271.20x = 2,239,832,191.07
  5. Step 5: Solve for x
    x = 2,239,832,191.07/52,271.20
  6. Step 6: Final answer
    x = 42,850.22

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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.