Home / 105,805.13-146,003.94-58,061.54

Finding the Fourth Proportional to 105,805.13, 146,003.94 and 58,061.54

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Solution

The fourth proportional to 105,805.13, 146,003.94 and 58,061.54 is: 80,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,805.13 : 146,003.94 = 58,061.54 : x
  2. Step 2: Convert to fraction form
    105,805.13/146,003.94 = 58,061.54/x
  3. Step 3: Cross multiply
    105,805.13x = 146,003.94 × 58,061.54
  4. Step 4: Simplify right side
    105,805.13x = 8,477,213,967.48
  5. Step 5: Solve for x
    x = 8,477,213,967.48/105,805.13
  6. Step 6: Final answer
    x = 80,121.01

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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.