Home / 75,136.60-103,677.66-41,602.52

Finding the Fourth Proportional to 75,136.60, 103,677.66 and 41,602.52

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Solution

The fourth proportional to 75,136.60, 103,677.66 and 41,602.52 is: 57,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136.60 : 103,677.66 = 41,602.52 : x
  2. Step 2: Convert to fraction form
    75,136.60/103,677.66 = 41,602.52/x
  3. Step 3: Cross multiply
    75,136.60x = 103,677.66 × 41,602.52
  4. Step 4: Simplify right side
    75,136.60x = 4,313,251,923.70
  5. Step 5: Solve for x
    x = 4,313,251,923.70/75,136.60
  6. Step 6: Final answer
    x = 57,405.47

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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.