Home / 92,589.42-138,890.67-45,829.74

Finding the Fourth Proportional to 92,589.42, 138,890.67 and 45,829.74

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Solution

The fourth proportional to 92,589.42, 138,890.67 and 45,829.74 is: 68,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.42 : 138,890.67 = 45,829.74 : x
  2. Step 2: Convert to fraction form
    92,589.42/138,890.67 = 45,829.74/x
  3. Step 3: Cross multiply
    92,589.42x = 138,890.67 × 45,829.74
  4. Step 4: Simplify right side
    92,589.42x = 6,365,323,294.53
  5. Step 5: Solve for x
    x = 6,365,323,294.53/92,589.42
  6. Step 6: Final answer
    x = 68,747.85

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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.