Home / 98,249.94-147,419.19-42,104.79

Finding the Fourth Proportional to 98,249.94, 147,419.19 and 42,104.79

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Solution

The fourth proportional to 98,249.94, 147,419.19 and 42,104.79 is: 63,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.94 : 147,419.19 = 42,104.79 : x
  2. Step 2: Convert to fraction form
    98,249.94/147,419.19 = 42,104.79/x
  3. Step 3: Cross multiply
    98,249.94x = 147,419.19 × 42,104.79
  4. Step 4: Simplify right side
    98,249.94x = 6,207,054,036.92
  5. Step 5: Solve for x
    x = 6,207,054,036.92/98,249.94
  6. Step 6: Final answer
    x = 63,176.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.