Home / 104,810.31-144,637.53-57,063.66

Finding the Fourth Proportional to 104,810.31, 144,637.53 and 57,063.66

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Solution

The fourth proportional to 104,810.31, 144,637.53 and 57,063.66 is: 78,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.31 : 144,637.53 = 57,063.66 : x
  2. Step 2: Convert to fraction form
    104,810.31/144,637.53 = 57,063.66/x
  3. Step 3: Cross multiply
    104,810.31x = 144,637.53 × 57,063.66
  4. Step 4: Simplify right side
    104,810.31x = 8,253,546,835.16
  5. Step 5: Solve for x
    x = 8,253,546,835.16/104,810.31
  6. Step 6: Final answer
    x = 78,747.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.