Home / 107,348.40-161,022.60-60,109.20

Finding the Fourth Proportional to 107,348.40, 161,022.60 and 60,109.20

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Solution

The fourth proportional to 107,348.40, 161,022.60 and 60,109.20 is: 90,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,348.40 : 161,022.60 = 60,109.20 : x
  2. Step 2: Convert to fraction form
    107,348.40/161,022.60 = 60,109.20/x
  3. Step 3: Cross multiply
    107,348.40x = 161,022.60 × 60,109.20
  4. Step 4: Simplify right side
    107,348.40x = 9,678,939,667.92
  5. Step 5: Solve for x
    x = 9,678,939,667.92/107,348.40
  6. Step 6: Final answer
    x = 90,163.80

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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.