Home / 115,313.31-172,907.19-52,059.33

Finding the Fourth Proportional to 115,313.31, 172,907.19 and 52,059.33

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Solution

The fourth proportional to 115,313.31, 172,907.19 and 52,059.33 is: 78,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,313.31 : 172,907.19 = 52,059.33 : x
  2. Step 2: Convert to fraction form
    115,313.31/172,907.19 = 52,059.33/x
  3. Step 3: Cross multiply
    115,313.31x = 172,907.19 × 52,059.33
  4. Step 4: Simplify right side
    115,313.31x = 9,001,432,463.58
  5. Step 5: Solve for x
    x = 9,001,432,463.58/115,313.31
  6. Step 6: Final answer
    x = 78,060.65

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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.