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Finding the Fourth Proportional to 92,297.19, 127,401.77 and 54,069

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Solution

The fourth proportional to 92,297.19, 127,401.77 and 54,069 is: 74,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,297.19 : 127,401.77 = 54,069 : x
  2. Step 2: Convert to fraction form
    92,297.19/127,401.77 = 54,069/x
  3. Step 3: Cross multiply
    92,297.19x = 127,401.77 × 54,069
  4. Step 4: Simplify right side
    92,297.19x = 6,888,486,031.79
  5. Step 5: Solve for x
    x = 6,888,486,031.79/92,297.19
  6. Step 6: Final answer
    x = 74,633.76

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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.