Home / 54,136.68-74,709.15-30,264.66

Finding the Fourth Proportional to 54,136.68, 74,709.15 and 30,264.66

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Solution

The fourth proportional to 54,136.68, 74,709.15 and 30,264.66 is: 41,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.68 : 74,709.15 = 30,264.66 : x
  2. Step 2: Convert to fraction form
    54,136.68/74,709.15 = 30,264.66/x
  3. Step 3: Cross multiply
    54,136.68x = 74,709.15 × 30,264.66
  4. Step 4: Simplify right side
    54,136.68x = 2,261,047,023.64
  5. Step 5: Solve for x
    x = 2,261,047,023.64/54,136.68
  6. Step 6: Final answer
    x = 41,765.53

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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.