Home / 84,850.34-117,015.23-57,667.14

Finding the Fourth Proportional to 84,850.34, 117,015.23 and 57,667.14

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Solution

The fourth proportional to 84,850.34, 117,015.23 and 57,667.14 is: 79,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.34 : 117,015.23 = 57,667.14 : x
  2. Step 2: Convert to fraction form
    84,850.34/117,015.23 = 57,667.14/x
  3. Step 3: Cross multiply
    84,850.34x = 117,015.23 × 57,667.14
  4. Step 4: Simplify right side
    84,850.34x = 6,747,933,794.71
  5. Step 5: Solve for x
    x = 6,747,933,794.71/84,850.34
  6. Step 6: Final answer
    x = 79,527.49

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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.