Home / 47,855.44-71,432.78-44,386.12

Finding the Fourth Proportional to 47,855.44, 71,432.78 and 44,386.12

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Solution

The fourth proportional to 47,855.44, 71,432.78 and 44,386.12 is: 66,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.44 : 71,432.78 = 44,386.12 : x
  2. Step 2: Convert to fraction form
    47,855.44/71,432.78 = 44,386.12/x
  3. Step 3: Cross multiply
    47,855.44x = 71,432.78 × 44,386.12
  4. Step 4: Simplify right side
    47,855.44x = 3,170,623,945.01
  5. Step 5: Solve for x
    x = 3,170,623,945.01/47,855.44
  6. Step 6: Final answer
    x = 66,254.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.