Home / 107,853.12-161,779.68-45,524.16

Finding the Fourth Proportional to 107,853.12, 161,779.68 and 45,524.16

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Solution

The fourth proportional to 107,853.12, 161,779.68 and 45,524.16 is: 68,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.12 : 161,779.68 = 45,524.16 : x
  2. Step 2: Convert to fraction form
    107,853.12/161,779.68 = 45,524.16/x
  3. Step 3: Cross multiply
    107,853.12x = 161,779.68 × 45,524.16
  4. Step 4: Simplify right side
    107,853.12x = 7,364,884,037.07
  5. Step 5: Solve for x
    x = 7,364,884,037.07/107,853.12
  6. Step 6: Final answer
    x = 68,286.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.