Home / 90,044.67-135,024.61-52,615.54

Finding the Fourth Proportional to 90,044.67, 135,024.61 and 52,615.54

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Solution

The fourth proportional to 90,044.67, 135,024.61 and 52,615.54 is: 78,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.67 : 135,024.61 = 52,615.54 : x
  2. Step 2: Convert to fraction form
    90,044.67/135,024.61 = 52,615.54/x
  3. Step 3: Cross multiply
    90,044.67x = 135,024.61 × 52,615.54
  4. Step 4: Simplify right side
    90,044.67x = 7,104,393,143.24
  5. Step 5: Solve for x
    x = 7,104,393,143.24/90,044.67
  6. Step 6: Final answer
    x = 78,898.55

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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.