Home / 48,216.66-72,313.62-13,147.98

Finding the Fourth Proportional to 48,216.66, 72,313.62 and 13,147.98

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Solution

The fourth proportional to 48,216.66, 72,313.62 and 13,147.98 is: 19,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.66 : 72,313.62 = 13,147.98 : x
  2. Step 2: Convert to fraction form
    48,216.66/72,313.62 = 13,147.98/x
  3. Step 3: Cross multiply
    48,216.66x = 72,313.62 × 13,147.98
  4. Step 4: Simplify right side
    48,216.66x = 950,778,029.49
  5. Step 5: Solve for x
    x = 950,778,029.49/48,216.66
  6. Step 6: Final answer
    x = 19,718.87

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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.