Home / 74,428.54-111,646.48-21,833.62

Finding the Fourth Proportional to 74,428.54, 111,646.48 and 21,833.62

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Solution

The fourth proportional to 74,428.54, 111,646.48 and 21,833.62 is: 32,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.54 : 111,646.48 = 21,833.62 : x
  2. Step 2: Convert to fraction form
    74,428.54/111,646.48 = 21,833.62/x
  3. Step 3: Cross multiply
    74,428.54x = 111,646.48 × 21,833.62
  4. Step 4: Simplify right side
    74,428.54x = 2,437,646,818.66
  5. Step 5: Solve for x
    x = 2,437,646,818.66/74,428.54
  6. Step 6: Final answer
    x = 32,751.51

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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.