Home / 97,511.20-146,266.80-58,112.80

Finding the Fourth Proportional to 97,511.20, 146,266.80 and 58,112.80

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Solution

The fourth proportional to 97,511.20, 146,266.80 and 58,112.80 is: 87,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,511.20 : 146,266.80 = 58,112.80 : x
  2. Step 2: Convert to fraction form
    97,511.20/146,266.80 = 58,112.80/x
  3. Step 3: Cross multiply
    97,511.20x = 146,266.80 × 58,112.80
  4. Step 4: Simplify right side
    97,511.20x = 8,499,973,295.04
  5. Step 5: Solve for x
    x = 8,499,973,295.04/97,511.20
  6. Step 6: Final answer
    x = 87,169.20

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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.