Home / 112,716.08-155,548.32-62,414

Finding the Fourth Proportional to 112,716.08, 155,548.32 and 62,414

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Solution

The fourth proportional to 112,716.08, 155,548.32 and 62,414 is: 86,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.08 : 155,548.32 = 62,414 : x
  2. Step 2: Convert to fraction form
    112,716.08/155,548.32 = 62,414/x
  3. Step 3: Cross multiply
    112,716.08x = 155,548.32 × 62,414
  4. Step 4: Simplify right side
    112,716.08x = 9,708,392,844.48
  5. Step 5: Solve for x
    x = 9,708,392,844.48/112,716.08
  6. Step 6: Final answer
    x = 86,131.39

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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.