Home / 66,529.20-99,793.80-61,499.10

Finding the Fourth Proportional to 66,529.20, 99,793.80 and 61,499.10

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Solution

The fourth proportional to 66,529.20, 99,793.80 and 61,499.10 is: 92,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.20 : 99,793.80 = 61,499.10 : x
  2. Step 2: Convert to fraction form
    66,529.20/99,793.80 = 61,499.10/x
  3. Step 3: Cross multiply
    66,529.20x = 99,793.80 × 61,499.10
  4. Step 4: Simplify right side
    66,529.20x = 6,137,228,885.58
  5. Step 5: Solve for x
    x = 6,137,228,885.58/66,529.20
  6. Step 6: Final answer
    x = 92,248.65

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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.