Home / 112,716.75-155,549.16-62,415.75

Finding the Fourth Proportional to 112,716.75, 155,549.16 and 62,415.75

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Solution

The fourth proportional to 112,716.75, 155,549.16 and 62,415.75 is: 86,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.75 : 155,549.16 = 62,415.75 : x
  2. Step 2: Convert to fraction form
    112,716.75/155,549.16 = 62,415.75/x
  3. Step 3: Cross multiply
    112,716.75x = 155,549.16 × 62,415.75
  4. Step 4: Simplify right side
    112,716.75x = 9,708,717,483.27
  5. Step 5: Solve for x
    x = 9,708,717,483.27/112,716.75
  6. Step 6: Final answer
    x = 86,133.76

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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.