Home / 48,065.88-72,111.78-43,439.16

Finding the Fourth Proportional to 48,065.88, 72,111.78 and 43,439.16

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Solution

The fourth proportional to 48,065.88, 72,111.78 and 43,439.16 is: 65,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,065.88 : 72,111.78 = 43,439.16 : x
  2. Step 2: Convert to fraction form
    48,065.88/72,111.78 = 43,439.16/x
  3. Step 3: Cross multiply
    48,065.88x = 72,111.78 × 43,439.16
  4. Step 4: Simplify right side
    48,065.88x = 3,132,475,149.30
  5. Step 5: Solve for x
    x = 3,132,475,149.30/48,065.88
  6. Step 6: Final answer
    x = 65,170.45

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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.