Home / 105,614.55-145,744.92-57,866.27

Finding the Fourth Proportional to 105,614.55, 145,744.92 and 57,866.27

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Solution

The fourth proportional to 105,614.55, 145,744.92 and 57,866.27 is: 79,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.55 : 145,744.92 = 57,866.27 : x
  2. Step 2: Convert to fraction form
    105,614.55/145,744.92 = 57,866.27/x
  3. Step 3: Cross multiply
    105,614.55x = 145,744.92 × 57,866.27
  4. Step 4: Simplify right side
    105,614.55x = 8,433,714,163.12
  5. Step 5: Solve for x
    x = 8,433,714,163.12/105,614.55
  6. Step 6: Final answer
    x = 79,853.71

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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.