Home / 54,835.68-75,672.90-29,685

Finding the Fourth Proportional to 54,835.68, 75,672.90 and 29,685

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Solution

The fourth proportional to 54,835.68, 75,672.90 and 29,685 is: 40,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,835.68 : 75,672.90 = 29,685 : x
  2. Step 2: Convert to fraction form
    54,835.68/75,672.90 = 29,685/x
  3. Step 3: Cross multiply
    54,835.68x = 75,672.90 × 29,685
  4. Step 4: Simplify right side
    54,835.68x = 2,246,350,036.50
  5. Step 5: Solve for x
    x = 2,246,350,036.50/54,835.68
  6. Step 6: Final answer
    x = 40,965.12

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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.