Home / 94,009.36-141,027-31,697.68

Finding the Fourth Proportional to 94,009.36, 141,027 and 31,697.68

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Solution

The fourth proportional to 94,009.36, 141,027 and 31,697.68 is: 47,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,009.36 : 141,027 = 31,697.68 : x
  2. Step 2: Convert to fraction form
    94,009.36/141,027 = 31,697.68/x
  3. Step 3: Cross multiply
    94,009.36x = 141,027 × 31,697.68
  4. Step 4: Simplify right side
    94,009.36x = 4,470,228,717.36
  5. Step 5: Solve for x
    x = 4,470,228,717.36/94,009.36
  6. Step 6: Final answer
    x = 47,550.89

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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.