Home / 79,912.71-119,723.70-46,531.58

Finding the Fourth Proportional to 79,912.71, 119,723.70 and 46,531.58

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Solution

The fourth proportional to 79,912.71, 119,723.70 and 46,531.58 is: 69,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.71 : 119,723.70 = 46,531.58 : x
  2. Step 2: Convert to fraction form
    79,912.71/119,723.70 = 46,531.58/x
  3. Step 3: Cross multiply
    79,912.71x = 119,723.70 × 46,531.58
  4. Step 4: Simplify right side
    79,912.71x = 5,570,932,325.83
  5. Step 5: Solve for x
    x = 5,570,932,325.83/79,912.71
  6. Step 6: Final answer
    x = 69,712.72

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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.