Home / 79,948.17-119,984.89-55,775.26

Finding the Fourth Proportional to 79,948.17, 119,984.89 and 55,775.26

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Solution

The fourth proportional to 79,948.17, 119,984.89 and 55,775.26 is: 83,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,948.17 : 119,984.89 = 55,775.26 : x
  2. Step 2: Convert to fraction form
    79,948.17/119,984.89 = 55,775.26/x
  3. Step 3: Cross multiply
    79,948.17x = 119,984.89 × 55,775.26
  4. Step 4: Simplify right side
    79,948.17x = 6,692,188,435.82
  5. Step 5: Solve for x
    x = 6,692,188,435.82/79,948.17
  6. Step 6: Final answer
    x = 83,706.59

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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.