Home / 54,574.51-81,861.45-15,131.47

Finding the Fourth Proportional to 54,574.51, 81,861.45 and 15,131.47

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Solution

The fourth proportional to 54,574.51, 81,861.45 and 15,131.47 is: 22,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.51 : 81,861.45 = 15,131.47 : x
  2. Step 2: Convert to fraction form
    54,574.51/81,861.45 = 15,131.47/x
  3. Step 3: Cross multiply
    54,574.51x = 81,861.45 × 15,131.47
  4. Step 4: Simplify right side
    54,574.51x = 1,238,684,074.83
  5. Step 5: Solve for x
    x = 1,238,684,074.83/54,574.51
  6. Step 6: Final answer
    x = 22,697.12

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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.