Home / 61,921.48-85,453.32-36,429.52

Finding the Fourth Proportional to 61,921.48, 85,453.32 and 36,429.52

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Solution

The fourth proportional to 61,921.48, 85,453.32 and 36,429.52 is: 50,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.48 : 85,453.32 = 36,429.52 : x
  2. Step 2: Convert to fraction form
    61,921.48/85,453.32 = 36,429.52/x
  3. Step 3: Cross multiply
    61,921.48x = 85,453.32 × 36,429.52
  4. Step 4: Simplify right side
    61,921.48x = 3,113,023,430.01
  5. Step 5: Solve for x
    x = 3,113,023,430.01/61,921.48
  6. Step 6: Final answer
    x = 50,273.72

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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.