Home / 74,991.06-103,492.20-43,159.26

Finding the Fourth Proportional to 74,991.06, 103,492.20 and 43,159.26

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Solution

The fourth proportional to 74,991.06, 103,492.20 and 43,159.26 is: 59,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.06 : 103,492.20 = 43,159.26 : x
  2. Step 2: Convert to fraction form
    74,991.06/103,492.20 = 43,159.26/x
  3. Step 3: Cross multiply
    74,991.06x = 103,492.20 × 43,159.26
  4. Step 4: Simplify right side
    74,991.06x = 4,466,646,767.77
  5. Step 5: Solve for x
    x = 4,466,646,767.77/74,991.06
  6. Step 6: Final answer
    x = 59,562.39

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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.