Home / 74,733.50-112,099.95-18,572.56

Finding the Fourth Proportional to 74,733.50, 112,099.95 and 18,572.56

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Solution

The fourth proportional to 74,733.50, 112,099.95 and 18,572.56 is: 27,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733.50 : 112,099.95 = 18,572.56 : x
  2. Step 2: Convert to fraction form
    74,733.50/112,099.95 = 18,572.56/x
  3. Step 3: Cross multiply
    74,733.50x = 112,099.95 × 18,572.56
  4. Step 4: Simplify right side
    74,733.50x = 2,081,982,767.12
  5. Step 5: Solve for x
    x = 2,081,982,767.12/74,733.50
  6. Step 6: Final answer
    x = 27,858.76

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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.