Home / 86,515.11-119,391.18-48,276.27

Finding the Fourth Proportional to 86,515.11, 119,391.18 and 48,276.27

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Solution

The fourth proportional to 86,515.11, 119,391.18 and 48,276.27 is: 66,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,515.11 : 119,391.18 = 48,276.27 : x
  2. Step 2: Convert to fraction form
    86,515.11/119,391.18 = 48,276.27/x
  3. Step 3: Cross multiply
    86,515.11x = 119,391.18 × 48,276.27
  4. Step 4: Simplify right side
    86,515.11x = 5,763,760,841.30
  5. Step 5: Solve for x
    x = 5,763,760,841.30/86,515.11
  6. Step 6: Final answer
    x = 66,621.44

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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.