Home / 49,211.60-73,817.40-45,712.40

Finding the Fourth Proportional to 49,211.60, 73,817.40 and 45,712.40

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Solution

The fourth proportional to 49,211.60, 73,817.40 and 45,712.40 is: 68,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.60 : 73,817.40 = 45,712.40 : x
  2. Step 2: Convert to fraction form
    49,211.60/73,817.40 = 45,712.40/x
  3. Step 3: Cross multiply
    49,211.60x = 73,817.40 × 45,712.40
  4. Step 4: Simplify right side
    49,211.60x = 3,374,370,515.76
  5. Step 5: Solve for x
    x = 3,374,370,515.76/49,211.60
  6. Step 6: Final answer
    x = 68,568.60

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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.