Home / 74,921.49-112,372.02-25,000.47

Finding the Fourth Proportional to 74,921.49, 112,372.02 and 25,000.47

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Solution

The fourth proportional to 74,921.49, 112,372.02 and 25,000.47 is: 37,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.49 : 112,372.02 = 25,000.47 : x
  2. Step 2: Convert to fraction form
    74,921.49/112,372.02 = 25,000.47/x
  3. Step 3: Cross multiply
    74,921.49x = 112,372.02 × 25,000.47
  4. Step 4: Simplify right side
    74,921.49x = 2,809,353,314.85
  5. Step 5: Solve for x
    x = 2,809,353,314.85/74,921.49
  6. Step 6: Final answer
    x = 37,497.30

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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.