Home / 48,051.22-72,066.81-12,982.66

Finding the Fourth Proportional to 48,051.22, 72,066.81 and 12,982.66

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Solution

The fourth proportional to 48,051.22, 72,066.81 and 12,982.66 is: 19,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051.22 : 72,066.81 = 12,982.66 : x
  2. Step 2: Convert to fraction form
    48,051.22/72,066.81 = 12,982.66/x
  3. Step 3: Cross multiply
    48,051.22x = 72,066.81 × 12,982.66
  4. Step 4: Simplify right side
    48,051.22x = 935,618,891.51
  5. Step 5: Solve for x
    x = 935,618,891.51/48,051.22
  6. Step 6: Final answer
    x = 19,471.28

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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.