Home / 75,955.57-104,815.51-43,687.74

Finding the Fourth Proportional to 75,955.57, 104,815.51 and 43,687.74

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Solution

The fourth proportional to 75,955.57, 104,815.51 and 43,687.74 is: 60,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,955.57 : 104,815.51 = 43,687.74 : x
  2. Step 2: Convert to fraction form
    75,955.57/104,815.51 = 43,687.74/x
  3. Step 3: Cross multiply
    75,955.57x = 104,815.51 × 43,687.74
  4. Step 4: Simplify right side
    75,955.57x = 4,579,152,748.85
  5. Step 5: Solve for x
    x = 4,579,152,748.85/75,955.57
  6. Step 6: Final answer
    x = 60,287.25

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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.