Home / 54,153.83-81,231.86-16,713.93

Finding the Fourth Proportional to 54,153.83, 81,231.86 and 16,713.93

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Solution

The fourth proportional to 54,153.83, 81,231.86 and 16,713.93 is: 25,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,153.83 : 81,231.86 = 16,713.93 : x
  2. Step 2: Convert to fraction form
    54,153.83/81,231.86 = 16,713.93/x
  3. Step 3: Cross multiply
    54,153.83x = 81,231.86 × 16,713.93
  4. Step 4: Simplify right side
    54,153.83x = 1,357,703,663.59
  5. Step 5: Solve for x
    x = 1,357,703,663.59/54,153.83
  6. Step 6: Final answer
    x = 25,071.24

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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.