Home / 86,768.46-119,739.60-54,963.45

Finding the Fourth Proportional to 86,768.46, 119,739.60 and 54,963.45

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Solution

The fourth proportional to 86,768.46, 119,739.60 and 54,963.45 is: 75,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.46 : 119,739.60 = 54,963.45 : x
  2. Step 2: Convert to fraction form
    86,768.46/119,739.60 = 54,963.45/x
  3. Step 3: Cross multiply
    86,768.46x = 119,739.60 × 54,963.45
  4. Step 4: Simplify right side
    86,768.46x = 6,581,301,517.62
  5. Step 5: Solve for x
    x = 6,581,301,517.62/86,768.46
  6. Step 6: Final answer
    x = 75,849.01

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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.