Home / 58,101.75-87,142.60-15,407.48

Finding the Fourth Proportional to 58,101.75, 87,142.60 and 15,407.48

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Solution

The fourth proportional to 58,101.75, 87,142.60 and 15,407.48 is: 23,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,101.75 : 87,142.60 = 15,407.48 : x
  2. Step 2: Convert to fraction form
    58,101.75/87,142.60 = 15,407.48/x
  3. Step 3: Cross multiply
    58,101.75x = 87,142.60 × 15,407.48
  4. Step 4: Simplify right side
    58,101.75x = 1,342,647,866.65
  5. Step 5: Solve for x
    x = 1,342,647,866.65/58,101.75
  6. Step 6: Final answer
    x = 23,108.56

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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.