Home / 66,359.08-91,576.64-36,145

Finding the Fourth Proportional to 66,359.08, 91,576.64 and 36,145

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Solution

The fourth proportional to 66,359.08, 91,576.64 and 36,145 is: 49,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.08 : 91,576.64 = 36,145 : x
  2. Step 2: Convert to fraction form
    66,359.08/91,576.64 = 36,145/x
  3. Step 3: Cross multiply
    66,359.08x = 91,576.64 × 36,145
  4. Step 4: Simplify right side
    66,359.08x = 3,310,037,652.80
  5. Step 5: Solve for x
    x = 3,310,037,652.80/66,359.08
  6. Step 6: Final answer
    x = 49,880.70

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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.