Home / 66,780.89-92,154.09-36,560.42

Finding the Fourth Proportional to 66,780.89, 92,154.09 and 36,560.42

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Solution

The fourth proportional to 66,780.89, 92,154.09 and 36,560.42 is: 50,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.89 : 92,154.09 = 36,560.42 : x
  2. Step 2: Convert to fraction form
    66,780.89/92,154.09 = 36,560.42/x
  3. Step 3: Cross multiply
    66,780.89x = 92,154.09 × 36,560.42
  4. Step 4: Simplify right side
    66,780.89x = 3,369,192,235.12
  5. Step 5: Solve for x
    x = 3,369,192,235.12/66,780.89
  6. Step 6: Final answer
    x = 50,451.44

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1.5x scale

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.