Home / 61,665.21-85,088.93-36,161.96

Finding the Fourth Proportional to 61,665.21, 85,088.93 and 36,161.96

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Solution

The fourth proportional to 61,665.21, 85,088.93 and 36,161.96 is: 49,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.21 : 85,088.93 = 36,161.96 : x
  2. Step 2: Convert to fraction form
    61,665.21/85,088.93 = 36,161.96/x
  3. Step 3: Cross multiply
    61,665.21x = 85,088.93 × 36,161.96
  4. Step 4: Simplify right side
    61,665.21x = 3,076,981,876.85
  5. Step 5: Solve for x
    x = 3,076,981,876.85/61,665.21
  6. Step 6: Final answer
    x = 49,898.18

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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.