Home / 92,174.45-138,133.07-69,666.57

Finding the Fourth Proportional to 92,174.45, 138,133.07 and 69,666.57

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Solution

The fourth proportional to 92,174.45, 138,133.07 and 69,666.57 is: 104,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,174.45 : 138,133.07 = 69,666.57 : x
  2. Step 2: Convert to fraction form
    92,174.45/138,133.07 = 69,666.57/x
  3. Step 3: Cross multiply
    92,174.45x = 138,133.07 × 69,666.57
  4. Step 4: Simplify right side
    92,174.45x = 9,623,256,842.14
  5. Step 5: Solve for x
    x = 9,623,256,842.14/92,174.45
  6. Step 6: Final answer
    x = 104,402.66

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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.