Home / 66,310.83-91,591.14-48,132.51

Finding the Fourth Proportional to 66,310.83, 91,591.14 and 48,132.51

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Solution

The fourth proportional to 66,310.83, 91,591.14 and 48,132.51 is: 66,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.83 : 91,591.14 = 48,132.51 : x
  2. Step 2: Convert to fraction form
    66,310.83/91,591.14 = 48,132.51/x
  3. Step 3: Cross multiply
    66,310.83x = 91,591.14 × 48,132.51
  4. Step 4: Simplify right side
    66,310.83x = 4,408,511,461.96
  5. Step 5: Solve for x
    x = 4,408,511,461.96/66,310.83
  6. Step 6: Final answer
    x = 66,482.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.