Home / 112,966.24-155,887.32-62,662

Finding the Fourth Proportional to 112,966.24, 155,887.32 and 62,662

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Solution

The fourth proportional to 112,966.24, 155,887.32 and 62,662 is: 86,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.24 : 155,887.32 = 62,662 : x
  2. Step 2: Convert to fraction form
    112,966.24/155,887.32 = 62,662/x
  3. Step 3: Cross multiply
    112,966.24x = 155,887.32 × 62,662
  4. Step 4: Simplify right side
    112,966.24x = 9,768,211,245.84
  5. Step 5: Solve for x
    x = 9,768,211,245.84/112,966.24
  6. Step 6: Final answer
    x = 86,470.18

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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.