Home / 48,871.36-73,297.86-13,810.78

Finding the Fourth Proportional to 48,871.36, 73,297.86 and 13,810.78

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Solution

The fourth proportional to 48,871.36, 73,297.86 and 13,810.78 is: 20,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871.36 : 73,297.86 = 13,810.78 : x
  2. Step 2: Convert to fraction form
    48,871.36/73,297.86 = 13,810.78/x
  3. Step 3: Cross multiply
    48,871.36x = 73,297.86 × 13,810.78
  4. Step 4: Simplify right side
    48,871.36x = 1,012,300,618.93
  5. Step 5: Solve for x
    x = 1,012,300,618.93/48,871.36
  6. Step 6: Final answer
    x = 20,713.58

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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.