Home / 75,368.56-103,993.16-43,101.36

Finding the Fourth Proportional to 75,368.56, 103,993.16 and 43,101.36

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Solution

The fourth proportional to 75,368.56, 103,993.16 and 43,101.36 is: 59,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368.56 : 103,993.16 = 43,101.36 : x
  2. Step 2: Convert to fraction form
    75,368.56/103,993.16 = 43,101.36/x
  3. Step 3: Cross multiply
    75,368.56x = 103,993.16 × 43,101.36
  4. Step 4: Simplify right side
    75,368.56x = 4,482,246,626.70
  5. Step 5: Solve for x
    x = 4,482,246,626.70/75,368.56
  6. Step 6: Final answer
    x = 59,471.04

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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.