Home / 69,364.62-95,717.16-40,690.08

Finding the Fourth Proportional to 69,364.62, 95,717.16 and 40,690.08

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Solution

The fourth proportional to 69,364.62, 95,717.16 and 40,690.08 is: 56,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.62 : 95,717.16 = 40,690.08 : x
  2. Step 2: Convert to fraction form
    69,364.62/95,717.16 = 40,690.08/x
  3. Step 3: Cross multiply
    69,364.62x = 95,717.16 × 40,690.08
  4. Step 4: Simplify right side
    69,364.62x = 3,894,738,897.77
  5. Step 5: Solve for x
    x = 3,894,738,897.77/69,364.62
  6. Step 6: Final answer
    x = 56,148.78

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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.