Home / 51,144.54-70,587.28-31,004.70

Finding the Fourth Proportional to 51,144.54, 70,587.28 and 31,004.70

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Solution

The fourth proportional to 51,144.54, 70,587.28 and 31,004.70 is: 42,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.54 : 70,587.28 = 31,004.70 : x
  2. Step 2: Convert to fraction form
    51,144.54/70,587.28 = 31,004.70/x
  3. Step 3: Cross multiply
    51,144.54x = 70,587.28 × 31,004.70
  4. Step 4: Simplify right side
    51,144.54x = 2,188,537,440.22
  5. Step 5: Solve for x
    x = 2,188,537,440.22/51,144.54
  6. Step 6: Final answer
    x = 42,791.22

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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.