Home / 121,083.48-181,675.26-53,580.12

Finding the Fourth Proportional to 121,083.48, 181,675.26 and 53,580.12

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Solution

The fourth proportional to 121,083.48, 181,675.26 and 53,580.12 is: 80,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083.48 : 181,675.26 = 53,580.12 : x
  2. Step 2: Convert to fraction form
    121,083.48/181,675.26 = 53,580.12/x
  3. Step 3: Cross multiply
    121,083.48x = 181,675.26 × 53,580.12
  4. Step 4: Simplify right side
    121,083.48x = 9,734,182,231.83
  5. Step 5: Solve for x
    x = 9,734,182,231.83/121,083.48
  6. Step 6: Final answer
    x = 80,392.32

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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.