Home / 70,669.62-106,004.34-18,079.11

Finding the Fourth Proportional to 70,669.62, 106,004.34 and 18,079.11

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Solution

The fourth proportional to 70,669.62, 106,004.34 and 18,079.11 is: 27,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669.62 : 106,004.34 = 18,079.11 : x
  2. Step 2: Convert to fraction form
    70,669.62/106,004.34 = 18,079.11/x
  3. Step 3: Cross multiply
    70,669.62x = 106,004.34 × 18,079.11
  4. Step 4: Simplify right side
    70,669.62x = 1,916,464,123.34
  5. Step 5: Solve for x
    x = 1,916,464,123.34/70,669.62
  6. Step 6: Final answer
    x = 27,118.64

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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.