Home / 105,305.58-145,301.49-59,982.57

Finding the Fourth Proportional to 105,305.58, 145,301.49 and 59,982.57

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Solution

The fourth proportional to 105,305.58, 145,301.49 and 59,982.57 is: 82,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,305.58 : 145,301.49 = 59,982.57 : x
  2. Step 2: Convert to fraction form
    105,305.58/145,301.49 = 59,982.57/x
  3. Step 3: Cross multiply
    105,305.58x = 145,301.49 × 59,982.57
  4. Step 4: Simplify right side
    105,305.58x = 8,715,556,795.03
  5. Step 5: Solve for x
    x = 8,715,556,795.03/105,305.58
  6. Step 6: Final answer
    x = 82,764.43

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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.