Home / 75,109.44-103,635.12-43,266.72

Finding the Fourth Proportional to 75,109.44, 103,635.12 and 43,266.72

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Solution

The fourth proportional to 75,109.44, 103,635.12 and 43,266.72 is: 59,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,109.44 : 103,635.12 = 43,266.72 : x
  2. Step 2: Convert to fraction form
    75,109.44/103,635.12 = 43,266.72/x
  3. Step 3: Cross multiply
    75,109.44x = 103,635.12 × 43,266.72
  4. Step 4: Simplify right side
    75,109.44x = 4,483,951,719.21
  5. Step 5: Solve for x
    x = 4,483,951,719.21/75,109.44
  6. Step 6: Final answer
    x = 59,698.91

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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.