Home / 88,979.96-122,780.19-53,162.36

Finding the Fourth Proportional to 88,979.96, 122,780.19 and 53,162.36

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Solution

The fourth proportional to 88,979.96, 122,780.19 and 53,162.36 is: 73,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979.96 : 122,780.19 = 53,162.36 : x
  2. Step 2: Convert to fraction form
    88,979.96/122,780.19 = 53,162.36/x
  3. Step 3: Cross multiply
    88,979.96x = 122,780.19 × 53,162.36
  4. Step 4: Simplify right side
    88,979.96x = 6,527,284,047.75
  5. Step 5: Solve for x
    x = 6,527,284,047.75/88,979.96
  6. Step 6: Final answer
    x = 73,356.79

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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.