Home / 98,982.72-136,564.02-55,958.04

Finding the Fourth Proportional to 98,982.72, 136,564.02 and 55,958.04

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Solution

The fourth proportional to 98,982.72, 136,564.02 and 55,958.04 is: 77,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.72 : 136,564.02 = 55,958.04 : x
  2. Step 2: Convert to fraction form
    98,982.72/136,564.02 = 55,958.04/x
  3. Step 3: Cross multiply
    98,982.72x = 136,564.02 × 55,958.04
  4. Step 4: Simplify right side
    98,982.72x = 7,641,854,893.72
  5. Step 5: Solve for x
    x = 7,641,854,893.72/98,982.72
  6. Step 6: Final answer
    x = 77,203.93

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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.