Home / 66,533.20-99,872.70-41,601.40

Finding the Fourth Proportional to 66,533.20, 99,872.70 and 41,601.40

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Solution

The fourth proportional to 66,533.20, 99,872.70 and 41,601.40 is: 62,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.20 : 99,872.70 = 41,601.40 : x
  2. Step 2: Convert to fraction form
    66,533.20/99,872.70 = 41,601.40/x
  3. Step 3: Cross multiply
    66,533.20x = 99,872.70 × 41,601.40
  4. Step 4: Simplify right side
    66,533.20x = 4,154,844,141.78
  5. Step 5: Solve for x
    x = 4,154,844,141.78/66,533.20
  6. Step 6: Final answer
    x = 62,447.68

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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.