Home / 98,743.06-148,435.36-79,235.02

Finding the Fourth Proportional to 98,743.06, 148,435.36 and 79,235.02

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Solution

The fourth proportional to 98,743.06, 148,435.36 and 79,235.02 is: 119,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.06 : 148,435.36 = 79,235.02 : x
  2. Step 2: Convert to fraction form
    98,743.06/148,435.36 = 79,235.02/x
  3. Step 3: Cross multiply
    98,743.06x = 148,435.36 × 79,235.02
  4. Step 4: Simplify right side
    98,743.06x = 11,761,278,718.31
  5. Step 5: Solve for x
    x = 11,761,278,718.31/98,743.06
  6. Step 6: Final answer
    x = 119,109.93

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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.