Home / 88,081.28-121,653.12-58,001.08

Finding the Fourth Proportional to 88,081.28, 121,653.12 and 58,001.08

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Solution

The fourth proportional to 88,081.28, 121,653.12 and 58,001.08 is: 80,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.28 : 121,653.12 = 58,001.08 : x
  2. Step 2: Convert to fraction form
    88,081.28/121,653.12 = 58,001.08/x
  3. Step 3: Cross multiply
    88,081.28x = 121,653.12 × 58,001.08
  4. Step 4: Simplify right side
    88,081.28x = 7,056,012,345.37
  5. Step 5: Solve for x
    x = 7,056,012,345.37/88,081.28
  6. Step 6: Final answer
    x = 80,107.97

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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.