Home / 105,799.92-145,994.76-58,053.12

Finding the Fourth Proportional to 105,799.92, 145,994.76 and 58,053.12

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Solution

The fourth proportional to 105,799.92, 145,994.76 and 58,053.12 is: 80,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,799.92 : 145,994.76 = 58,053.12 : x
  2. Step 2: Convert to fraction form
    105,799.92/145,994.76 = 58,053.12/x
  3. Step 3: Cross multiply
    105,799.92x = 145,994.76 × 58,053.12
  4. Step 4: Simplify right side
    105,799.92x = 8,475,451,321.65
  5. Step 5: Solve for x
    x = 8,475,451,321.65/105,799.92
  6. Step 6: Final answer
    x = 80,108.30

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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.