Home / 54,136.74-74,710.40-30,263.31

Finding the Fourth Proportional to 54,136.74, 74,710.40 and 30,263.31

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Solution

The fourth proportional to 54,136.74, 74,710.40 and 30,263.31 is: 41,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.74 : 74,710.40 = 30,263.31 : x
  2. Step 2: Convert to fraction form
    54,136.74/74,710.40 = 30,263.31/x
  3. Step 3: Cross multiply
    54,136.74x = 74,710.40 × 30,263.31
  4. Step 4: Simplify right side
    54,136.74x = 2,260,983,844.11
  5. Step 5: Solve for x
    x = 2,260,983,844.11/54,136.74
  6. Step 6: Final answer
    x = 41,764.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.