Home / 81,031.52-111,829.70-44,739.96

Finding the Fourth Proportional to 81,031.52, 111,829.70 and 44,739.96

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Solution

The fourth proportional to 81,031.52, 111,829.70 and 44,739.96 is: 61,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,031.52 : 111,829.70 = 44,739.96 : x
  2. Step 2: Convert to fraction form
    81,031.52/111,829.70 = 44,739.96/x
  3. Step 3: Cross multiply
    81,031.52x = 111,829.70 × 44,739.96
  4. Step 4: Simplify right side
    81,031.52x = 5,003,256,081.11
  5. Step 5: Solve for x
    x = 5,003,256,081.11/81,031.52
  6. Step 6: Final answer
    x = 61,744.57

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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.