Home / 107,832.52-148,761.93-64,828.81

Finding the Fourth Proportional to 107,832.52, 148,761.93 and 64,828.81

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Solution

The fourth proportional to 107,832.52, 148,761.93 and 64,828.81 is: 89,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,832.52 : 148,761.93 = 64,828.81 : x
  2. Step 2: Convert to fraction form
    107,832.52/148,761.93 = 64,828.81/x
  3. Step 3: Cross multiply
    107,832.52x = 148,761.93 × 64,828.81
  4. Step 4: Simplify right side
    107,832.52x = 9,644,058,895.20
  5. Step 5: Solve for x
    x = 9,644,058,895.20/107,832.52
  6. Step 6: Final answer
    x = 89,435.53

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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.