Home / 86,519.85-119,397.38-48,794.01

Finding the Fourth Proportional to 86,519.85, 119,397.38 and 48,794.01

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Solution

The fourth proportional to 86,519.85, 119,397.38 and 48,794.01 is: 67,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,519.85 : 119,397.38 = 48,794.01 : x
  2. Step 2: Convert to fraction form
    86,519.85/119,397.38 = 48,794.01/x
  3. Step 3: Cross multiply
    86,519.85x = 119,397.38 × 48,794.01
  4. Step 4: Simplify right side
    86,519.85x = 5,825,876,709.72
  5. Step 5: Solve for x
    x = 5,825,876,709.72/86,519.85
  6. Step 6: Final answer
    x = 67,335.72

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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.