Home / 90,838.23-125,357.58-50,553.69

Finding the Fourth Proportional to 90,838.23, 125,357.58 and 50,553.69

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Solution

The fourth proportional to 90,838.23, 125,357.58 and 50,553.69 is: 69,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838.23 : 125,357.58 = 50,553.69 : x
  2. Step 2: Convert to fraction form
    90,838.23/125,357.58 = 50,553.69/x
  3. Step 3: Cross multiply
    90,838.23x = 125,357.58 × 50,553.69
  4. Step 4: Simplify right side
    90,838.23x = 6,337,288,238.47
  5. Step 5: Solve for x
    x = 6,337,288,238.47/90,838.23
  6. Step 6: Final answer
    x = 69,764.55

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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.