Home / 51,853.30-77,707.59-39,192.66

Finding the Fourth Proportional to 51,853.30, 77,707.59 and 39,192.66

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Solution

The fourth proportional to 51,853.30, 77,707.59 and 39,192.66 is: 58,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.30 : 77,707.59 = 39,192.66 : x
  2. Step 2: Convert to fraction form
    51,853.30/77,707.59 = 39,192.66/x
  3. Step 3: Cross multiply
    51,853.30x = 77,707.59 × 39,192.66
  4. Step 4: Simplify right side
    51,853.30x = 3,045,567,007.32
  5. Step 5: Solve for x
    x = 3,045,567,007.32/51,853.30
  6. Step 6: Final answer
    x = 58,734.30

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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.