Home / 53,116.88-79,688.99-19,837.17

Finding the Fourth Proportional to 53,116.88, 79,688.99 and 19,837.17

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Solution

The fourth proportional to 53,116.88, 79,688.99 and 19,837.17 is: 29,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.88 : 79,688.99 = 19,837.17 : x
  2. Step 2: Convert to fraction form
    53,116.88/79,688.99 = 19,837.17/x
  3. Step 3: Cross multiply
    53,116.88x = 79,688.99 × 19,837.17
  4. Step 4: Simplify right side
    53,116.88x = 1,580,804,091.35
  5. Step 5: Solve for x
    x = 1,580,804,091.35/53,116.88
  6. Step 6: Final answer
    x = 29,760.86

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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.