Home / 74,640.46-102,997.05-44,420.91

Finding the Fourth Proportional to 74,640.46, 102,997.05 and 44,420.91

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Solution

The fourth proportional to 74,640.46, 102,997.05 and 44,420.91 is: 61,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640.46 : 102,997.05 = 44,420.91 : x
  2. Step 2: Convert to fraction form
    74,640.46/102,997.05 = 44,420.91/x
  3. Step 3: Cross multiply
    74,640.46x = 102,997.05 × 44,420.91
  4. Step 4: Simplify right side
    74,640.46x = 4,575,222,688.32
  5. Step 5: Solve for x
    x = 4,575,222,688.32/74,640.46
  6. Step 6: Final answer
    x = 61,296.82

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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.