Home / 107,624.89-161,437.47-51,451.80

Finding the Fourth Proportional to 107,624.89, 161,437.47 and 51,451.80

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Solution

The fourth proportional to 107,624.89, 161,437.47 and 51,451.80 is: 77,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,624.89 : 161,437.47 = 51,451.80 : x
  2. Step 2: Convert to fraction form
    107,624.89/161,437.47 = 51,451.80/x
  3. Step 3: Cross multiply
    107,624.89x = 161,437.47 × 51,451.80
  4. Step 4: Simplify right side
    107,624.89x = 8,306,247,611.76
  5. Step 5: Solve for x
    x = 8,306,247,611.76/107,624.89
  6. Step 6: Final answer
    x = 77,177.76

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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.