Home / 107,656.83-161,511.93-51,539.58

Finding the Fourth Proportional to 107,656.83, 161,511.93 and 51,539.58

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Solution

The fourth proportional to 107,656.83, 161,511.93 and 51,539.58 is: 77,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,656.83 : 161,511.93 = 51,539.58 : x
  2. Step 2: Convert to fraction form
    107,656.83/161,511.93 = 51,539.58/x
  3. Step 3: Cross multiply
    107,656.83x = 161,511.93 × 51,539.58
  4. Step 4: Simplify right side
    107,656.83x = 8,324,257,037.19
  5. Step 5: Solve for x
    x = 8,324,257,037.19/107,656.83
  6. Step 6: Final answer
    x = 77,322.15

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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.