Home / 91,625.96-137,460.47-28,442.85

Finding the Fourth Proportional to 91,625.96, 137,460.47 and 28,442.85

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Solution

The fourth proportional to 91,625.96, 137,460.47 and 28,442.85 is: 42,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,625.96 : 137,460.47 = 28,442.85 : x
  2. Step 2: Convert to fraction form
    91,625.96/137,460.47 = 28,442.85/x
  3. Step 3: Cross multiply
    91,625.96x = 137,460.47 × 28,442.85
  4. Step 4: Simplify right side
    91,625.96x = 3,909,766,951.44
  5. Step 5: Solve for x
    x = 3,909,766,951.44/91,625.96
  6. Step 6: Final answer
    x = 42,670.95

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1.5x scale

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.