Home / 74,319.80-102,593.32-45,644.11

Finding the Fourth Proportional to 74,319.80, 102,593.32 and 45,644.11

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Solution

The fourth proportional to 74,319.80, 102,593.32 and 45,644.11 is: 63,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,319.80 : 102,593.32 = 45,644.11 : x
  2. Step 2: Convert to fraction form
    74,319.80/102,593.32 = 45,644.11/x
  3. Step 3: Cross multiply
    74,319.80x = 102,593.32 × 45,644.11
  4. Step 4: Simplify right side
    74,319.80x = 4,682,780,412.75
  5. Step 5: Solve for x
    x = 4,682,780,412.75/74,319.80
  6. Step 6: Final answer
    x = 63,008.52

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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.