Home / 57,138.44-78,824.88-37,001.81

Finding the Fourth Proportional to 57,138.44, 78,824.88 and 37,001.81

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Solution

The fourth proportional to 57,138.44, 78,824.88 and 37,001.81 is: 51,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,138.44 : 78,824.88 = 37,001.81 : x
  2. Step 2: Convert to fraction form
    57,138.44/78,824.88 = 37,001.81/x
  3. Step 3: Cross multiply
    57,138.44x = 78,824.88 × 37,001.81
  4. Step 4: Simplify right side
    57,138.44x = 2,916,662,838.91
  5. Step 5: Solve for x
    x = 2,916,662,838.91/57,138.44
  6. Step 6: Final answer
    x = 51,045.55

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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.