Home / 56,770.14-85,102.26-19,304.61

Finding the Fourth Proportional to 56,770.14, 85,102.26 and 19,304.61

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Solution

The fourth proportional to 56,770.14, 85,102.26 and 19,304.61 is: 28,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.14 : 85,102.26 = 19,304.61 : x
  2. Step 2: Convert to fraction form
    56,770.14/85,102.26 = 19,304.61/x
  3. Step 3: Cross multiply
    56,770.14x = 85,102.26 × 19,304.61
  4. Step 4: Simplify right side
    56,770.14x = 1,642,865,939.42
  5. Step 5: Solve for x
    x = 1,642,865,939.42/56,770.14
  6. Step 6: Final answer
    x = 28,938.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.