Home / 57,639.74-79,543.04-32,145.98

Finding the Fourth Proportional to 57,639.74, 79,543.04 and 32,145.98

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Solution

The fourth proportional to 57,639.74, 79,543.04 and 32,145.98 is: 44,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.74 : 79,543.04 = 32,145.98 : x
  2. Step 2: Convert to fraction form
    57,639.74/79,543.04 = 32,145.98/x
  3. Step 3: Cross multiply
    57,639.74x = 79,543.04 × 32,145.98
  4. Step 4: Simplify right side
    57,639.74x = 2,556,988,414.53
  5. Step 5: Solve for x
    x = 2,556,988,414.53/57,639.74
  6. Step 6: Final answer
    x = 44,361.56

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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.