Home / 89,066.71-122,909.64-50,825.55

Finding the Fourth Proportional to 89,066.71, 122,909.64 and 50,825.55

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Solution

The fourth proportional to 89,066.71, 122,909.64 and 50,825.55 is: 70,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.71 : 122,909.64 = 50,825.55 : x
  2. Step 2: Convert to fraction form
    89,066.71/122,909.64 = 50,825.55/x
  3. Step 3: Cross multiply
    89,066.71x = 122,909.64 × 50,825.55
  4. Step 4: Simplify right side
    89,066.71x = 6,246,950,053.30
  5. Step 5: Solve for x
    x = 6,246,950,053.30/89,066.71
  6. Step 6: Final answer
    x = 70,137.88

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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.