Home / 84,632.05-116,739.12-54,456.58

Finding the Fourth Proportional to 84,632.05, 116,739.12 and 54,456.58

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Solution

The fourth proportional to 84,632.05, 116,739.12 and 54,456.58 is: 75,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,632.05 : 116,739.12 = 54,456.58 : x
  2. Step 2: Convert to fraction form
    84,632.05/116,739.12 = 54,456.58/x
  3. Step 3: Cross multiply
    84,632.05x = 116,739.12 × 54,456.58
  4. Step 4: Simplify right side
    84,632.05x = 6,357,213,227.41
  5. Step 5: Solve for x
    x = 6,357,213,227.41/84,632.05
  6. Step 6: Final answer
    x = 75,115.91

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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.