Home / 75,170.18-103,737.58-41,636.18

Finding the Fourth Proportional to 75,170.18, 103,737.58 and 41,636.18

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Solution

The fourth proportional to 75,170.18, 103,737.58 and 41,636.18 is: 57,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,170.18 : 103,737.58 = 41,636.18 : x
  2. Step 2: Convert to fraction form
    75,170.18/103,737.58 = 41,636.18/x
  3. Step 3: Cross multiply
    75,170.18x = 103,737.58 × 41,636.18
  4. Step 4: Simplify right side
    75,170.18x = 4,319,236,553.64
  5. Step 5: Solve for x
    x = 4,319,236,553.64/75,170.18
  6. Step 6: Final answer
    x = 57,459.44

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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.