Home / 75,864.75-104,696.64-42,330.75

Finding the Fourth Proportional to 75,864.75, 104,696.64 and 42,330.75

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Solution

The fourth proportional to 75,864.75, 104,696.64 and 42,330.75 is: 58,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.75 : 104,696.64 = 42,330.75 : x
  2. Step 2: Convert to fraction form
    75,864.75/104,696.64 = 42,330.75/x
  3. Step 3: Cross multiply
    75,864.75x = 104,696.64 × 42,330.75
  4. Step 4: Simplify right side
    75,864.75x = 4,431,887,293.68
  5. Step 5: Solve for x
    x = 4,431,887,293.68/75,864.75
  6. Step 6: Final answer
    x = 58,418.27

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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.