Home / 98,409.09-147,601.92-57,906.82

Finding the Fourth Proportional to 98,409.09, 147,601.92 and 57,906.82

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Solution

The fourth proportional to 98,409.09, 147,601.92 and 57,906.82 is: 86,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,409.09 : 147,601.92 = 57,906.82 : x
  2. Step 2: Convert to fraction form
    98,409.09/147,601.92 = 57,906.82/x
  3. Step 3: Cross multiply
    98,409.09x = 147,601.92 × 57,906.82
  4. Step 4: Simplify right side
    98,409.09x = 8,547,158,214.75
  5. Step 5: Solve for x
    x = 8,547,158,214.75/98,409.09
  6. Step 6: Final answer
    x = 86,853.34

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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.