Home / 74,620.68-103,026.18-57,362.46

Finding the Fourth Proportional to 74,620.68, 103,026.18 and 57,362.46

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Solution

The fourth proportional to 74,620.68, 103,026.18 and 57,362.46 is: 79,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.68 : 103,026.18 = 57,362.46 : x
  2. Step 2: Convert to fraction form
    74,620.68/103,026.18 = 57,362.46/x
  3. Step 3: Cross multiply
    74,620.68x = 103,026.18 × 57,362.46
  4. Step 4: Simplify right side
    74,620.68x = 5,909,835,129.20
  5. Step 5: Solve for x
    x = 5,909,835,129.20/74,620.68
  6. Step 6: Final answer
    x = 79,198.36

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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.