Home / 84,653.10-127,012.05-37,872.36

Finding the Fourth Proportional to 84,653.10, 127,012.05 and 37,872.36

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Solution

The fourth proportional to 84,653.10, 127,012.05 and 37,872.36 is: 56,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,653.10 : 127,012.05 = 37,872.36 : x
  2. Step 2: Convert to fraction form
    84,653.10/127,012.05 = 37,872.36/x
  3. Step 3: Cross multiply
    84,653.10x = 127,012.05 × 37,872.36
  4. Step 4: Simplify right side
    84,653.10x = 4,810,246,081.94
  5. Step 5: Solve for x
    x = 4,810,246,081.94/84,653.10
  6. Step 6: Final answer
    x = 56,823.04

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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.