Home / 90,838.44-125,354.52-50,553.63

Finding the Fourth Proportional to 90,838.44, 125,354.52 and 50,553.63

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Solution

The fourth proportional to 90,838.44, 125,354.52 and 50,553.63 is: 69,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838.44 : 125,354.52 = 50,553.63 : x
  2. Step 2: Convert to fraction form
    90,838.44/125,354.52 = 50,553.63/x
  3. Step 3: Cross multiply
    90,838.44x = 125,354.52 × 50,553.63
  4. Step 4: Simplify right side
    90,838.44x = 6,337,126,022.91
  5. Step 5: Solve for x
    x = 6,337,126,022.91/90,838.44
  6. Step 6: Final answer
    x = 69,762.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.