Home / 92,046.42-137,956.56-47,647.86

Finding the Fourth Proportional to 92,046.42, 137,956.56 and 47,647.86

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Solution

The fourth proportional to 92,046.42, 137,956.56 and 47,647.86 is: 71,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,046.42 : 137,956.56 = 47,647.86 : x
  2. Step 2: Convert to fraction form
    92,046.42/137,956.56 = 47,647.86/x
  3. Step 3: Cross multiply
    92,046.42x = 137,956.56 × 47,647.86
  4. Step 4: Simplify right side
    92,046.42x = 6,573,334,856.96
  5. Step 5: Solve for x
    x = 6,573,334,856.96/92,046.42
  6. Step 6: Final answer
    x = 71,413.26

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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.