Home / 82,253.64-123,431.49-37,886.70

Finding the Fourth Proportional to 82,253.64, 123,431.49 and 37,886.70

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Solution

The fourth proportional to 82,253.64, 123,431.49 and 37,886.70 is: 56,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,253.64 : 123,431.49 = 37,886.70 : x
  2. Step 2: Convert to fraction form
    82,253.64/123,431.49 = 37,886.70/x
  3. Step 3: Cross multiply
    82,253.64x = 123,431.49 × 37,886.70
  4. Step 4: Simplify right side
    82,253.64x = 4,676,411,832.18
  5. Step 5: Solve for x
    x = 4,676,411,832.18/82,253.64
  6. Step 6: Final answer
    x = 56,853.55

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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.