Home / 93,221.39-128,645.75-50,780.23

Finding the Fourth Proportional to 93,221.39, 128,645.75 and 50,780.23

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Solution

The fourth proportional to 93,221.39, 128,645.75 and 50,780.23 is: 70,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,221.39 : 128,645.75 = 50,780.23 : x
  2. Step 2: Convert to fraction form
    93,221.39/128,645.75 = 50,780.23/x
  3. Step 3: Cross multiply
    93,221.39x = 128,645.75 × 50,780.23
  4. Step 4: Simplify right side
    93,221.39x = 6,532,660,773.52
  5. Step 5: Solve for x
    x = 6,532,660,773.52/93,221.39
  6. Step 6: Final answer
    x = 70,076.84

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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.