Home / 113,727.06-156,911.85-73,442.52

Finding the Fourth Proportional to 113,727.06, 156,911.85 and 73,442.52

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Solution

The fourth proportional to 113,727.06, 156,911.85 and 73,442.52 is: 101,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,727.06 : 156,911.85 = 73,442.52 : x
  2. Step 2: Convert to fraction form
    113,727.06/156,911.85 = 73,442.52/x
  3. Step 3: Cross multiply
    113,727.06x = 156,911.85 × 73,442.52
  4. Step 4: Simplify right side
    113,727.06x = 11,524,001,681.86
  5. Step 5: Solve for x
    x = 11,524,001,681.86/113,727.06
  6. Step 6: Final answer
    x = 101,330.34

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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.