Home / 91,442.55-126,166.41-62,770.98

Finding the Fourth Proportional to 91,442.55, 126,166.41 and 62,770.98

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Solution

The fourth proportional to 91,442.55, 126,166.41 and 62,770.98 is: 86,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442.55 : 126,166.41 = 62,770.98 : x
  2. Step 2: Convert to fraction form
    91,442.55/126,166.41 = 62,770.98/x
  3. Step 3: Cross multiply
    91,442.55x = 126,166.41 × 62,770.98
  4. Step 4: Simplify right side
    91,442.55x = 7,919,589,671.91
  5. Step 5: Solve for x
    x = 7,919,589,671.91/91,442.55
  6. Step 6: Final answer
    x = 86,607.27

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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.