Home / 112,629.94-155,429.73-60,947.04

Finding the Fourth Proportional to 112,629.94, 155,429.73 and 60,947.04

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Solution

The fourth proportional to 112,629.94, 155,429.73 and 60,947.04 is: 84,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,629.94 : 155,429.73 = 60,947.04 : x
  2. Step 2: Convert to fraction form
    112,629.94/155,429.73 = 60,947.04/x
  3. Step 3: Cross multiply
    112,629.94x = 155,429.73 × 60,947.04
  4. Step 4: Simplify right side
    112,629.94x = 9,472,982,047.68
  5. Step 5: Solve for x
    x = 9,472,982,047.68/112,629.94
  6. Step 6: Final answer
    x = 84,107.14

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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.