Home / 98,763.09-136,294.83-55,751.19

Finding the Fourth Proportional to 98,763.09, 136,294.83 and 55,751.19

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Solution

The fourth proportional to 98,763.09, 136,294.83 and 55,751.19 is: 76,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763.09 : 136,294.83 = 55,751.19 : x
  2. Step 2: Convert to fraction form
    98,763.09/136,294.83 = 55,751.19/x
  3. Step 3: Cross multiply
    98,763.09x = 136,294.83 × 55,751.19
  4. Step 4: Simplify right side
    98,763.09x = 7,598,598,963.35
  5. Step 5: Solve for x
    x = 7,598,598,963.35/98,763.09
  6. Step 6: Final answer
    x = 76,937.64

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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.