Home / 74,557.53-111,837.51-39,424.59

Finding the Fourth Proportional to 74,557.53, 111,837.51 and 39,424.59

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Solution

The fourth proportional to 74,557.53, 111,837.51 and 39,424.59 is: 59,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.53 : 111,837.51 = 39,424.59 : x
  2. Step 2: Convert to fraction form
    74,557.53/111,837.51 = 39,424.59/x
  3. Step 3: Cross multiply
    74,557.53x = 111,837.51 × 39,424.59
  4. Step 4: Simplify right side
    74,557.53x = 4,409,147,978.37
  5. Step 5: Solve for x
    x = 4,409,147,978.37/74,557.53
  6. Step 6: Final answer
    x = 59,137.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.