Home / 86,323.28-119,137.48-48,604.88

Finding the Fourth Proportional to 86,323.28, 119,137.48 and 48,604.88

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Solution

The fourth proportional to 86,323.28, 119,137.48 and 48,604.88 is: 67,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.28 : 119,137.48 = 48,604.88 : x
  2. Step 2: Convert to fraction form
    86,323.28/119,137.48 = 48,604.88/x
  3. Step 3: Cross multiply
    86,323.28x = 119,137.48 × 48,604.88
  4. Step 4: Simplify right side
    86,323.28x = 5,790,662,918.90
  5. Step 5: Solve for x
    x = 5,790,662,918.90/86,323.28
  6. Step 6: Final answer
    x = 67,081.13

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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.