Home / 86,424.50-119,365.12-57,694.14

Finding the Fourth Proportional to 86,424.50, 119,365.12 and 57,694.14

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Solution

The fourth proportional to 86,424.50, 119,365.12 and 57,694.14 is: 79,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,424.50 : 119,365.12 = 57,694.14 : x
  2. Step 2: Convert to fraction form
    86,424.50/119,365.12 = 57,694.14/x
  3. Step 3: Cross multiply
    86,424.50x = 119,365.12 × 57,694.14
  4. Step 4: Simplify right side
    86,424.50x = 6,886,667,944.40
  5. Step 5: Solve for x
    x = 6,886,667,944.40/86,424.50
  6. Step 6: Final answer
    x = 79,684.21

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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.