Home / 75,560.31-104,266.80-43,731.18

Finding the Fourth Proportional to 75,560.31, 104,266.80 and 43,731.18

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Solution

The fourth proportional to 75,560.31, 104,266.80 and 43,731.18 is: 60,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,560.31 : 104,266.80 = 43,731.18 : x
  2. Step 2: Convert to fraction form
    75,560.31/104,266.80 = 43,731.18/x
  3. Step 3: Cross multiply
    75,560.31x = 104,266.80 × 43,731.18
  4. Step 4: Simplify right side
    75,560.31x = 4,559,710,198.82
  5. Step 5: Solve for x
    x = 4,559,710,198.82/75,560.31
  6. Step 6: Final answer
    x = 60,345.31

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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.