Home / 51,459.35-77,353.05-48,506.90

Finding the Fourth Proportional to 51,459.35, 77,353.05 and 48,506.90

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Solution

The fourth proportional to 51,459.35, 77,353.05 and 48,506.90 is: 72,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.35 : 77,353.05 = 48,506.90 : x
  2. Step 2: Convert to fraction form
    51,459.35/77,353.05 = 48,506.90/x
  3. Step 3: Cross multiply
    51,459.35x = 77,353.05 × 48,506.90
  4. Step 4: Simplify right side
    51,459.35x = 3,752,156,661.05
  5. Step 5: Solve for x
    x = 3,752,156,661.05/51,459.35
  6. Step 6: Final answer
    x = 72,914.96

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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.