Home / 74,979.63-103,468.75-44,372.57

Finding the Fourth Proportional to 74,979.63, 103,468.75 and 44,372.57

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Solution

The fourth proportional to 74,979.63, 103,468.75 and 44,372.57 is: 61,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,979.63 : 103,468.75 = 44,372.57 : x
  2. Step 2: Convert to fraction form
    74,979.63/103,468.75 = 44,372.57/x
  3. Step 3: Cross multiply
    74,979.63x = 103,468.75 × 44,372.57
  4. Step 4: Simplify right side
    74,979.63x = 4,591,173,723.91
  5. Step 5: Solve for x
    x = 4,591,173,723.91/74,979.63
  6. Step 6: Final answer
    x = 61,232.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.