Home / 81,150.52-111,924.48-52,081.72

Finding the Fourth Proportional to 81,150.52, 111,924.48 and 52,081.72

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Solution

The fourth proportional to 81,150.52, 111,924.48 and 52,081.72 is: 71,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,150.52 : 111,924.48 = 52,081.72 : x
  2. Step 2: Convert to fraction form
    81,150.52/111,924.48 = 52,081.72/x
  3. Step 3: Cross multiply
    81,150.52x = 111,924.48 × 52,081.72
  4. Step 4: Simplify right side
    81,150.52x = 5,829,219,428.51
  5. Step 5: Solve for x
    x = 5,829,219,428.51/81,150.52
  6. Step 6: Final answer
    x = 71,832.19

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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.