Home / 75,119.22-103,665.75-41,127.14

Finding the Fourth Proportional to 75,119.22, 103,665.75 and 41,127.14

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Solution

The fourth proportional to 75,119.22, 103,665.75 and 41,127.14 is: 56,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,119.22 : 103,665.75 = 41,127.14 : x
  2. Step 2: Convert to fraction form
    75,119.22/103,665.75 = 41,127.14/x
  3. Step 3: Cross multiply
    75,119.22x = 103,665.75 × 41,127.14
  4. Step 4: Simplify right side
    75,119.22x = 4,263,475,813.46
  5. Step 5: Solve for x
    x = 4,263,475,813.46/75,119.22
  6. Step 6: Final answer
    x = 56,756.12

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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.