Home / 79,921.79-119,882.64-23,761.65

Finding the Fourth Proportional to 79,921.79, 119,882.64 and 23,761.65

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Solution

The fourth proportional to 79,921.79, 119,882.64 and 23,761.65 is: 35,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921.79 : 119,882.64 = 23,761.65 : x
  2. Step 2: Convert to fraction form
    79,921.79/119,882.64 = 23,761.65/x
  3. Step 3: Cross multiply
    79,921.79x = 119,882.64 × 23,761.65
  4. Step 4: Simplify right side
    79,921.79x = 2,848,609,332.76
  5. Step 5: Solve for x
    x = 2,848,609,332.76/79,921.79
  6. Step 6: Final answer
    x = 35,642.46

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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.