Home / 58,206.20-87,287.70-23,138.60

Finding the Fourth Proportional to 58,206.20, 87,287.70 and 23,138.60

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Solution

The fourth proportional to 58,206.20, 87,287.70 and 23,138.60 is: 34,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,206.20 : 87,287.70 = 23,138.60 : x
  2. Step 2: Convert to fraction form
    58,206.20/87,287.70 = 23,138.60/x
  3. Step 3: Cross multiply
    58,206.20x = 87,287.70 × 23,138.60
  4. Step 4: Simplify right side
    58,206.20x = 2,019,715,175.22
  5. Step 5: Solve for x
    x = 2,019,715,175.22/58,206.20
  6. Step 6: Final answer
    x = 34,699.31

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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.