Home / 167,687.48-251,503.86-49,331.15

Finding the Fourth Proportional to 167,687.48, 251,503.86 and 49,331.15

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Solution

The fourth proportional to 167,687.48, 251,503.86 and 49,331.15 is: 73,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,687.48 : 251,503.86 = 49,331.15 : x
  2. Step 2: Convert to fraction form
    167,687.48/251,503.86 = 49,331.15/x
  3. Step 3: Cross multiply
    167,687.48x = 251,503.86 × 49,331.15
  4. Step 4: Simplify right side
    167,687.48x = 12,406,973,385.72
  5. Step 5: Solve for x
    x = 12,406,973,385.72/167,687.48
  6. Step 6: Final answer
    x = 73,988.67

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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.