Home / 113,030.73-156,003.93-74,791.04

Finding the Fourth Proportional to 113,030.73, 156,003.93 and 74,791.04

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Solution

The fourth proportional to 113,030.73, 156,003.93 and 74,791.04 is: 103,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,030.73 : 156,003.93 = 74,791.04 : x
  2. Step 2: Convert to fraction form
    113,030.73/156,003.93 = 74,791.04/x
  3. Step 3: Cross multiply
    113,030.73x = 156,003.93 × 74,791.04
  4. Step 4: Simplify right side
    113,030.73x = 11,667,695,388.77
  5. Step 5: Solve for x
    x = 11,667,695,388.77/113,030.73
  6. Step 6: Final answer
    x = 103,225.87

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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.