Home / 75,881.38-104,715.66-41,889.14

Finding the Fourth Proportional to 75,881.38, 104,715.66 and 41,889.14

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Solution

The fourth proportional to 75,881.38, 104,715.66 and 41,889.14 is: 57,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,881.38 : 104,715.66 = 41,889.14 : x
  2. Step 2: Convert to fraction form
    75,881.38/104,715.66 = 41,889.14/x
  3. Step 3: Cross multiply
    75,881.38x = 104,715.66 × 41,889.14
  4. Step 4: Simplify right side
    75,881.38x = 4,386,448,941.93
  5. Step 5: Solve for x
    x = 4,386,448,941.93/75,881.38
  6. Step 6: Final answer
    x = 57,806.66

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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.