Home / 73,122.19-109,669.41-35,644.57

Finding the Fourth Proportional to 73,122.19, 109,669.41 and 35,644.57

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Solution

The fourth proportional to 73,122.19, 109,669.41 and 35,644.57 is: 53,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.19 : 109,669.41 = 35,644.57 : x
  2. Step 2: Convert to fraction form
    73,122.19/109,669.41 = 35,644.57/x
  3. Step 3: Cross multiply
    73,122.19x = 109,669.41 × 35,644.57
  4. Step 4: Simplify right side
    73,122.19x = 3,909,118,687.43
  5. Step 5: Solve for x
    x = 3,909,118,687.43/73,122.19
  6. Step 6: Final answer
    x = 53,460.09

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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.