Home / 72,091.19-99,481.70-43,052.31

Finding the Fourth Proportional to 72,091.19, 99,481.70 and 43,052.31

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Solution

The fourth proportional to 72,091.19, 99,481.70 and 43,052.31 is: 59,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,091.19 : 99,481.70 = 43,052.31 : x
  2. Step 2: Convert to fraction form
    72,091.19/99,481.70 = 43,052.31/x
  3. Step 3: Cross multiply
    72,091.19x = 99,481.70 × 43,052.31
  4. Step 4: Simplify right side
    72,091.19x = 4,282,917,095.36
  5. Step 5: Solve for x
    x = 4,282,917,095.36/72,091.19
  6. Step 6: Final answer
    x = 59,409.71

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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.