Home / 107,370.48-161,059.08-51,216.68

Finding the Fourth Proportional to 107,370.48, 161,059.08 and 51,216.68

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Solution

The fourth proportional to 107,370.48, 161,059.08 and 51,216.68 is: 76,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,370.48 : 161,059.08 = 51,216.68 : x
  2. Step 2: Convert to fraction form
    107,370.48/161,059.08 = 51,216.68/x
  3. Step 3: Cross multiply
    107,370.48x = 161,059.08 × 51,216.68
  4. Step 4: Simplify right side
    107,370.48x = 8,248,911,361.45
  5. Step 5: Solve for x
    x = 8,248,911,361.45/107,370.48
  6. Step 6: Final answer
    x = 76,826.62

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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.