Home / 84,775.28-116,999.24-54,176.58

Finding the Fourth Proportional to 84,775.28, 116,999.24 and 54,176.58

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Solution

The fourth proportional to 84,775.28, 116,999.24 and 54,176.58 is: 74,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,775.28 : 116,999.24 = 54,176.58 : x
  2. Step 2: Convert to fraction form
    84,775.28/116,999.24 = 54,176.58/x
  3. Step 3: Cross multiply
    84,775.28x = 116,999.24 × 54,176.58
  4. Step 4: Simplify right side
    84,775.28x = 6,338,618,414.92
  5. Step 5: Solve for x
    x = 6,338,618,414.92/84,775.28
  6. Step 6: Final answer
    x = 74,769.66

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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.