Home / 107,311.92-148,092.18-58,918.31

Finding the Fourth Proportional to 107,311.92, 148,092.18 and 58,918.31

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Solution

The fourth proportional to 107,311.92, 148,092.18 and 58,918.31 is: 81,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,311.92 : 148,092.18 = 58,918.31 : x
  2. Step 2: Convert to fraction form
    107,311.92/148,092.18 = 58,918.31/x
  3. Step 3: Cross multiply
    107,311.92x = 148,092.18 × 58,918.31
  4. Step 4: Simplify right side
    107,311.92x = 8,725,341,005.64
  5. Step 5: Solve for x
    x = 8,725,341,005.64/107,311.92
  6. Step 6: Final answer
    x = 81,308.22

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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.