Home / 90,734.91-125,213.52-50,448.36

Finding the Fourth Proportional to 90,734.91, 125,213.52 and 50,448.36

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Solution

The fourth proportional to 90,734.91, 125,213.52 and 50,448.36 is: 69,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.91 : 125,213.52 = 50,448.36 : x
  2. Step 2: Convert to fraction form
    90,734.91/125,213.52 = 50,448.36/x
  3. Step 3: Cross multiply
    90,734.91x = 125,213.52 × 50,448.36
  4. Step 4: Simplify right side
    90,734.91x = 6,316,816,733.83
  5. Step 5: Solve for x
    x = 6,316,816,733.83/90,734.91
  6. Step 6: Final answer
    x = 69,618.37

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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.