Home / 89,066.58-122,909.47-50,825.42

Finding the Fourth Proportional to 89,066.58, 122,909.47 and 50,825.42

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Solution

The fourth proportional to 89,066.58, 122,909.47 and 50,825.42 is: 70,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.58 : 122,909.47 = 50,825.42 : x
  2. Step 2: Convert to fraction form
    89,066.58/122,909.47 = 50,825.42/x
  3. Step 3: Cross multiply
    89,066.58x = 122,909.47 × 50,825.42
  4. Step 4: Simplify right side
    89,066.58x = 6,246,925,614.94
  5. Step 5: Solve for x
    x = 6,246,925,614.94/89,066.58
  6. Step 6: Final answer
    x = 70,137.71

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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.