Home / 75,102.10-103,636.65-41,104.18

Finding the Fourth Proportional to 75,102.10, 103,636.65 and 41,104.18

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Solution

The fourth proportional to 75,102.10, 103,636.65 and 41,104.18 is: 56,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,102.10 : 103,636.65 = 41,104.18 : x
  2. Step 2: Convert to fraction form
    75,102.10/103,636.65 = 41,104.18/x
  3. Step 3: Cross multiply
    75,102.10x = 103,636.65 × 41,104.18
  4. Step 4: Simplify right side
    75,102.10x = 4,259,899,516.20
  5. Step 5: Solve for x
    x = 4,259,899,516.20/75,102.10
  6. Step 6: Final answer
    x = 56,721.44

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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.