Home / 75,056.50-112,584.86-18,896.62

Finding the Fourth Proportional to 75,056.50, 112,584.86 and 18,896.62

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Solution

The fourth proportional to 75,056.50, 112,584.86 and 18,896.62 is: 28,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056.50 : 112,584.86 = 18,896.62 : x
  2. Step 2: Convert to fraction form
    75,056.50/112,584.86 = 18,896.62/x
  3. Step 3: Cross multiply
    75,056.50x = 112,584.86 × 18,896.62
  4. Step 4: Simplify right side
    75,056.50x = 2,127,472,959.69
  5. Step 5: Solve for x
    x = 2,127,472,959.69/75,056.50
  6. Step 6: Final answer
    x = 28,344.95

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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.