Home / 74,342.00-111,453.53-38,785.48

Finding the Fourth Proportional to 74,342.00, 111,453.53 and 38,785.48

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Solution

The fourth proportional to 74,342.00, 111,453.53 and 38,785.48 is: 58,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.00 : 111,453.53 = 38,785.48 : x
  2. Step 2: Convert to fraction form
    74,342.00/111,453.53 = 38,785.48/x
  3. Step 3: Cross multiply
    74,342.00x = 111,453.53 × 38,785.48
  4. Step 4: Simplify right side
    74,342.00x = 4,322,778,186.18
  5. Step 5: Solve for x
    x = 4,322,778,186.18/74,342.00
  6. Step 6: Final answer
    x = 58,147.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.