Home / 105,857.99-146,079.15-58,112.13

Finding the Fourth Proportional to 105,857.99, 146,079.15 and 58,112.13

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Solution

The fourth proportional to 105,857.99, 146,079.15 and 58,112.13 is: 80,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,857.99 : 146,079.15 = 58,112.13 : x
  2. Step 2: Convert to fraction form
    105,857.99/146,079.15 = 58,112.13/x
  3. Step 3: Cross multiply
    105,857.99x = 146,079.15 × 58,112.13
  4. Step 4: Simplify right side
    105,857.99x = 8,488,970,884.97
  5. Step 5: Solve for x
    x = 8,488,970,884.97/105,857.99
  6. Step 6: Final answer
    x = 80,192.07

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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.