Home / 92,913.96-128,221.20-50,473.44

Finding the Fourth Proportional to 92,913.96, 128,221.20 and 50,473.44

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Solution

The fourth proportional to 92,913.96, 128,221.20 and 50,473.44 is: 69,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,913.96 : 128,221.20 = 50,473.44 : x
  2. Step 2: Convert to fraction form
    92,913.96/128,221.20 = 50,473.44/x
  3. Step 3: Cross multiply
    92,913.96x = 128,221.20 × 50,473.44
  4. Step 4: Simplify right side
    92,913.96x = 6,471,765,044.93
  5. Step 5: Solve for x
    x = 6,471,765,044.93/92,913.96
  6. Step 6: Final answer
    x = 69,653.31

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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.