Home / 84,739.62-116,939.66-48,928.87

Finding the Fourth Proportional to 84,739.62, 116,939.66 and 48,928.87

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Solution

The fourth proportional to 84,739.62, 116,939.66 and 48,928.87 is: 67,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,739.62 : 116,939.66 = 48,928.87 : x
  2. Step 2: Convert to fraction form
    84,739.62/116,939.66 = 48,928.87/x
  3. Step 3: Cross multiply
    84,739.62x = 116,939.66 × 48,928.87
  4. Step 4: Simplify right side
    84,739.62x = 5,721,725,421.98
  5. Step 5: Solve for x
    x = 5,721,725,421.98/84,739.62
  6. Step 6: Final answer
    x = 67,521.25

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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.