Home / 90,044.17-135,023.86-52,615.04

Finding the Fourth Proportional to 90,044.17, 135,023.86 and 52,615.04

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Solution

The fourth proportional to 90,044.17, 135,023.86 and 52,615.04 is: 78,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.17 : 135,023.86 = 52,615.04 : x
  2. Step 2: Convert to fraction form
    90,044.17/135,023.86 = 52,615.04/x
  3. Step 3: Cross multiply
    90,044.17x = 135,023.86 × 52,615.04
  4. Step 4: Simplify right side
    90,044.17x = 7,104,285,794.85
  5. Step 5: Solve for x
    x = 7,104,285,794.85/90,044.17
  6. Step 6: Final answer
    x = 78,897.79

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1.5x scale

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.