Home / 74,317.03-102,642.68-48,936.86

Finding the Fourth Proportional to 74,317.03, 102,642.68 and 48,936.86

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Solution

The fourth proportional to 74,317.03, 102,642.68 and 48,936.86 is: 67,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.03 : 102,642.68 = 48,936.86 : x
  2. Step 2: Convert to fraction form
    74,317.03/102,642.68 = 48,936.86/x
  3. Step 3: Cross multiply
    74,317.03x = 102,642.68 × 48,936.86
  4. Step 4: Simplify right side
    74,317.03x = 5,023,010,461.18
  5. Step 5: Solve for x
    x = 5,023,010,461.18/74,317.03
  6. Step 6: Final answer
    x = 67,588.96

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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.