Home / 57,397.68-79,189.20-35,872.74

Finding the Fourth Proportional to 57,397.68, 79,189.20 and 35,872.74

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Solution

The fourth proportional to 57,397.68, 79,189.20 and 35,872.74 is: 49,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,397.68 : 79,189.20 = 35,872.74 : x
  2. Step 2: Convert to fraction form
    57,397.68/79,189.20 = 35,872.74/x
  3. Step 3: Cross multiply
    57,397.68x = 79,189.20 × 35,872.74
  4. Step 4: Simplify right side
    57,397.68x = 2,840,733,582.41
  5. Step 5: Solve for x
    x = 2,840,733,582.41/57,397.68
  6. Step 6: Final answer
    x = 49,492.13

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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.