Home / 57,345.75-79,138.05-32,194.71

Finding the Fourth Proportional to 57,345.75, 79,138.05 and 32,194.71

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Solution

The fourth proportional to 57,345.75, 79,138.05 and 32,194.71 is: 44,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.75 : 79,138.05 = 32,194.71 : x
  2. Step 2: Convert to fraction form
    57,345.75/79,138.05 = 32,194.71/x
  3. Step 3: Cross multiply
    57,345.75x = 79,138.05 × 32,194.71
  4. Step 4: Simplify right side
    57,345.75x = 2,547,826,569.72
  5. Step 5: Solve for x
    x = 2,547,826,569.72/57,345.75
  6. Step 6: Final answer
    x = 44,429.21

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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.