Home / 74,996.64-103,518.45-43,186.77

Finding the Fourth Proportional to 74,996.64, 103,518.45 and 43,186.77

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Solution

The fourth proportional to 74,996.64, 103,518.45 and 43,186.77 is: 59,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,996.64 : 103,518.45 = 43,186.77 : x
  2. Step 2: Convert to fraction form
    74,996.64/103,518.45 = 43,186.77/x
  3. Step 3: Cross multiply
    74,996.64x = 103,518.45 × 43,186.77
  4. Step 4: Simplify right side
    74,996.64x = 4,470,627,490.91
  5. Step 5: Solve for x
    x = 4,470,627,490.91/74,996.64
  6. Step 6: Final answer
    x = 59,611.04

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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.