Home / 110,083.48-151,961.72-74,321.93

Finding the Fourth Proportional to 110,083.48, 151,961.72 and 74,321.93

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Solution

The fourth proportional to 110,083.48, 151,961.72 and 74,321.93 is: 102,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,083.48 : 151,961.72 = 74,321.93 : x
  2. Step 2: Convert to fraction form
    110,083.48/151,961.72 = 74,321.93/x
  3. Step 3: Cross multiply
    110,083.48x = 151,961.72 × 74,321.93
  4. Step 4: Simplify right side
    110,083.48x = 11,294,087,944.91
  5. Step 5: Solve for x
    x = 11,294,087,944.91/110,083.48
  6. Step 6: Final answer
    x = 102,595.67

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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.