Home / 48,057.74-72,081.13-12,994.66

Finding the Fourth Proportional to 48,057.74, 72,081.13 and 12,994.66

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Solution

The fourth proportional to 48,057.74, 72,081.13 and 12,994.66 is: 19,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.74 : 72,081.13 = 12,994.66 : x
  2. Step 2: Convert to fraction form
    48,057.74/72,081.13 = 12,994.66/x
  3. Step 3: Cross multiply
    48,057.74x = 72,081.13 × 12,994.66
  4. Step 4: Simplify right side
    48,057.74x = 936,669,776.77
  5. Step 5: Solve for x
    x = 936,669,776.77/48,057.74
  6. Step 6: Final answer
    x = 19,490.51

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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.