Home / 74,958.26-103,432.40-48,137.10

Finding the Fourth Proportional to 74,958.26, 103,432.40 and 48,137.10

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Solution

The fourth proportional to 74,958.26, 103,432.40 and 48,137.10 is: 66,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.26 : 103,432.40 = 48,137.10 : x
  2. Step 2: Convert to fraction form
    74,958.26/103,432.40 = 48,137.10/x
  3. Step 3: Cross multiply
    74,958.26x = 103,432.40 × 48,137.10
  4. Step 4: Simplify right side
    74,958.26x = 4,978,935,264.88
  5. Step 5: Solve for x
    x = 4,978,935,264.88/74,958.26
  6. Step 6: Final answer
    x = 66,422.77

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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.