Home / 74,948.22-103,418.59-48,127.06

Finding the Fourth Proportional to 74,948.22, 103,418.59 and 48,127.06

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Solution

The fourth proportional to 74,948.22, 103,418.59 and 48,127.06 is: 66,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.22 : 103,418.59 = 48,127.06 : x
  2. Step 2: Convert to fraction form
    74,948.22/103,418.59 = 48,127.06/x
  3. Step 3: Cross multiply
    74,948.22x = 103,418.59 × 48,127.06
  4. Step 4: Simplify right side
    74,948.22x = 4,977,232,785.24
  5. Step 5: Solve for x
    x = 4,977,232,785.24/74,948.22
  6. Step 6: Final answer
    x = 66,408.95

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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.