Home / 84,966.72-127,467.10-47,579.96

Finding the Fourth Proportional to 84,966.72, 127,467.10 and 47,579.96

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Solution

The fourth proportional to 84,966.72, 127,467.10 and 47,579.96 is: 71,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.72 : 127,467.10 = 47,579.96 : x
  2. Step 2: Convert to fraction form
    84,966.72/127,467.10 = 47,579.96/x
  3. Step 3: Cross multiply
    84,966.72x = 127,467.10 × 47,579.96
  4. Step 4: Simplify right side
    84,966.72x = 6,064,879,519.32
  5. Step 5: Solve for x
    x = 6,064,879,519.32/84,966.72
  6. Step 6: Final answer
    x = 71,379.47

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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.