Home / 75,145.60-103,675.74-43,313.83

Finding the Fourth Proportional to 75,145.60, 103,675.74 and 43,313.83

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Solution

The fourth proportional to 75,145.60, 103,675.74 and 43,313.83 is: 59,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.60 : 103,675.74 = 43,313.83 : x
  2. Step 2: Convert to fraction form
    75,145.60/103,675.74 = 43,313.83/x
  3. Step 3: Cross multiply
    75,145.60x = 103,675.74 × 43,313.83
  4. Step 4: Simplify right side
    75,145.60x = 4,490,593,377.48
  5. Step 5: Solve for x
    x = 4,490,593,377.48/75,145.60
  6. Step 6: Final answer
    x = 59,758.57

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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.