Home / 90,946.35-125,505.75-50,659.68

Finding the Fourth Proportional to 90,946.35, 125,505.75 and 50,659.68

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Solution

The fourth proportional to 90,946.35, 125,505.75 and 50,659.68 is: 69,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,946.35 : 125,505.75 = 50,659.68 : x
  2. Step 2: Convert to fraction form
    90,946.35/125,505.75 = 50,659.68/x
  3. Step 3: Cross multiply
    90,946.35x = 125,505.75 × 50,659.68
  4. Step 4: Simplify right side
    90,946.35x = 6,358,081,133.16
  5. Step 5: Solve for x
    x = 6,358,081,133.16/90,946.35
  6. Step 6: Final answer
    x = 69,910.24

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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.