Home / 90,921.44-125,371.24-62,245.77

Finding the Fourth Proportional to 90,921.44, 125,371.24 and 62,245.77

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Solution

The fourth proportional to 90,921.44, 125,371.24 and 62,245.77 is: 85,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,921.44 : 125,371.24 = 62,245.77 : x
  2. Step 2: Convert to fraction form
    90,921.44/125,371.24 = 62,245.77/x
  3. Step 3: Cross multiply
    90,921.44x = 125,371.24 × 62,245.77
  4. Step 4: Simplify right side
    90,921.44x = 7,803,829,094.03
  5. Step 5: Solve for x
    x = 7,803,829,094.03/90,921.44
  6. Step 6: Final answer
    x = 85,830.46

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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.