Home / 86,504.22-119,380.23-65,246.58

Finding the Fourth Proportional to 86,504.22, 119,380.23 and 65,246.58

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Solution

The fourth proportional to 86,504.22, 119,380.23 and 65,246.58 is: 90,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.22 : 119,380.23 = 65,246.58 : x
  2. Step 2: Convert to fraction form
    86,504.22/119,380.23 = 65,246.58/x
  3. Step 3: Cross multiply
    86,504.22x = 119,380.23 × 65,246.58
  4. Step 4: Simplify right side
    86,504.22x = 7,789,151,727.11
  5. Step 5: Solve for x
    x = 7,789,151,727.11/86,504.22
  6. Step 6: Final answer
    x = 90,043.60

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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.