Home / 78,344.56-117,501.81-22,171.11

Finding the Fourth Proportional to 78,344.56, 117,501.81 and 22,171.11

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Solution

The fourth proportional to 78,344.56, 117,501.81 and 22,171.11 is: 33,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344.56 : 117,501.81 = 22,171.11 : x
  2. Step 2: Convert to fraction form
    78,344.56/117,501.81 = 22,171.11/x
  3. Step 3: Cross multiply
    78,344.56x = 117,501.81 × 22,171.11
  4. Step 4: Simplify right side
    78,344.56x = 2,605,145,155.65
  5. Step 5: Solve for x
    x = 2,605,145,155.65/78,344.56
  6. Step 6: Final answer
    x = 33,252.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.