Home / 112,380.56-155,083.08-62,078.48

Finding the Fourth Proportional to 112,380.56, 155,083.08 and 62,078.48

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Solution

The fourth proportional to 112,380.56, 155,083.08 and 62,078.48 is: 85,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,380.56 : 155,083.08 = 62,078.48 : x
  2. Step 2: Convert to fraction form
    112,380.56/155,083.08 = 62,078.48/x
  3. Step 3: Cross multiply
    112,380.56x = 155,083.08 × 62,078.48
  4. Step 4: Simplify right side
    112,380.56x = 9,627,321,880.12
  5. Step 5: Solve for x
    x = 9,627,321,880.12/112,380.56
  6. Step 6: Final answer
    x = 85,667.15

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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.