Home / 56,250.75-77,627.66-31,101.87

Finding the Fourth Proportional to 56,250.75, 77,627.66 and 31,101.87

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Solution

The fourth proportional to 56,250.75, 77,627.66 and 31,101.87 is: 42,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,250.75 : 77,627.66 = 31,101.87 : x
  2. Step 2: Convert to fraction form
    56,250.75/77,627.66 = 31,101.87/x
  3. Step 3: Cross multiply
    56,250.75x = 77,627.66 × 31,101.87
  4. Step 4: Simplify right side
    56,250.75x = 2,414,365,389.72
  5. Step 5: Solve for x
    x = 2,414,365,389.72/56,250.75
  6. Step 6: Final answer
    x = 42,921.48

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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.