Home / 56,569.91-78,072.59-36,170.46

Finding the Fourth Proportional to 56,569.91, 78,072.59 and 36,170.46

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Solution

The fourth proportional to 56,569.91, 78,072.59 and 36,170.46 is: 49,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,569.91 : 78,072.59 = 36,170.46 : x
  2. Step 2: Convert to fraction form
    56,569.91/78,072.59 = 36,170.46/x
  3. Step 3: Cross multiply
    56,569.91x = 78,072.59 × 36,170.46
  4. Step 4: Simplify right side
    56,569.91x = 2,823,921,584.12
  5. Step 5: Solve for x
    x = 2,823,921,584.12/56,569.91
  6. Step 6: Final answer
    x = 49,919.15

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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.