Home / 62,728.11-86,445.47-61,575.33

Finding the Fourth Proportional to 62,728.11, 86,445.47 and 61,575.33

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Solution

The fourth proportional to 62,728.11, 86,445.47 and 61,575.33 is: 84,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728.11 : 86,445.47 = 61,575.33 : x
  2. Step 2: Convert to fraction form
    62,728.11/86,445.47 = 61,575.33/x
  3. Step 3: Cross multiply
    62,728.11x = 86,445.47 × 61,575.33
  4. Step 4: Simplify right side
    62,728.11x = 5,322,907,756.09
  5. Step 5: Solve for x
    x = 5,322,907,756.09/62,728.11
  6. Step 6: Final answer
    x = 84,856.81

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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.