Home / 112,716.34-155,553.24-62,415.34

Finding the Fourth Proportional to 112,716.34, 155,553.24 and 62,415.34

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Solution

The fourth proportional to 112,716.34, 155,553.24 and 62,415.34 is: 86,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.34 : 155,553.24 = 62,415.34 : x
  2. Step 2: Convert to fraction form
    112,716.34/155,553.24 = 62,415.34/x
  3. Step 3: Cross multiply
    112,716.34x = 155,553.24 × 62,415.34
  4. Step 4: Simplify right side
    112,716.34x = 9,708,908,362.70
  5. Step 5: Solve for x
    x = 9,708,908,362.70/112,716.34
  6. Step 6: Final answer
    x = 86,135.77

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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.