Home / 112,774.20-155,628.99-63,716.04

Finding the Fourth Proportional to 112,774.20, 155,628.99 and 63,716.04

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Solution

The fourth proportional to 112,774.20, 155,628.99 and 63,716.04 is: 87,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.20 : 155,628.99 = 63,716.04 : x
  2. Step 2: Convert to fraction form
    112,774.20/155,628.99 = 63,716.04/x
  3. Step 3: Cross multiply
    112,774.20x = 155,628.99 × 63,716.04
  4. Step 4: Simplify right side
    112,774.20x = 9,916,062,952.00
  5. Step 5: Solve for x
    x = 9,916,062,952.00/112,774.20
  6. Step 6: Final answer
    x = 87,928.47

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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.