Home / 86,704.40-119,665.68-62,822.36

Finding the Fourth Proportional to 86,704.40, 119,665.68 and 62,822.36

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Solution

The fourth proportional to 86,704.40, 119,665.68 and 62,822.36 is: 86,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.40 : 119,665.68 = 62,822.36 : x
  2. Step 2: Convert to fraction form
    86,704.40/119,665.68 = 62,822.36/x
  3. Step 3: Cross multiply
    86,704.40x = 119,665.68 × 62,822.36
  4. Step 4: Simplify right side
    86,704.40x = 7,517,680,428.60
  5. Step 5: Solve for x
    x = 7,517,680,428.60/86,704.40
  6. Step 6: Final answer
    x = 86,704.72

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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.