Home / 84,016.08-115,966.64-54,948.57

Finding the Fourth Proportional to 84,016.08, 115,966.64 and 54,948.57

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Solution

The fourth proportional to 84,016.08, 115,966.64 and 54,948.57 is: 75,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.08 : 115,966.64 = 54,948.57 : x
  2. Step 2: Convert to fraction form
    84,016.08/115,966.64 = 54,948.57/x
  3. Step 3: Cross multiply
    84,016.08x = 115,966.64 × 54,948.57
  4. Step 4: Simplify right side
    84,016.08x = 6,372,201,035.70
  5. Step 5: Solve for x
    x = 6,372,201,035.70/84,016.08
  6. Step 6: Final answer
    x = 75,845.02

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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.