Home / 82,627.96-124,391.56-75,279.64

Finding the Fourth Proportional to 82,627.96, 124,391.56 and 75,279.64

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Solution

The fourth proportional to 82,627.96, 124,391.56 and 75,279.64 is: 113,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,627.96 : 124,391.56 = 75,279.64 : x
  2. Step 2: Convert to fraction form
    82,627.96/124,391.56 = 75,279.64/x
  3. Step 3: Cross multiply
    82,627.96x = 124,391.56 × 75,279.64
  4. Step 4: Simplify right side
    82,627.96x = 9,364,151,855.84
  5. Step 5: Solve for x
    x = 9,364,151,855.84/82,627.96
  6. Step 6: Final answer
    x = 113,329.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.