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Finding the Fourth Proportional to 66,928.34, 92,363.67 and 36,714.93

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Solution

The fourth proportional to 66,928.34, 92,363.67 and 36,714.93 is: 50,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.34 : 92,363.67 = 36,714.93 : x
  2. Step 2: Convert to fraction form
    66,928.34/92,363.67 = 36,714.93/x
  3. Step 3: Cross multiply
    66,928.34x = 92,363.67 × 36,714.93
  4. Step 4: Simplify right side
    66,928.34x = 3,391,125,678.59
  5. Step 5: Solve for x
    x = 3,391,125,678.59/66,928.34
  6. Step 6: Final answer
    x = 50,668.01

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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.