Home / 86,451.79-119,333.24-50,653.39

Finding the Fourth Proportional to 86,451.79, 119,333.24 and 50,653.39

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Solution

The fourth proportional to 86,451.79, 119,333.24 and 50,653.39 is: 69,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.79 : 119,333.24 = 50,653.39 : x
  2. Step 2: Convert to fraction form
    86,451.79/119,333.24 = 50,653.39/x
  3. Step 3: Cross multiply
    86,451.79x = 119,333.24 × 50,653.39
  4. Step 4: Simplify right side
    86,451.79x = 6,044,632,892.42
  5. Step 5: Solve for x
    x = 6,044,632,892.42/86,451.79
  6. Step 6: Final answer
    x = 69,919.12

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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.