Home / 118,450.73-163,459.14-64,734.37

Finding the Fourth Proportional to 118,450.73, 163,459.14 and 64,734.37

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Solution

The fourth proportional to 118,450.73, 163,459.14 and 64,734.37 is: 89,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.73 : 163,459.14 = 64,734.37 : x
  2. Step 2: Convert to fraction form
    118,450.73/163,459.14 = 64,734.37/x
  3. Step 3: Cross multiply
    118,450.73x = 163,459.14 × 64,734.37
  4. Step 4: Simplify right side
    118,450.73x = 10,581,424,448.64
  5. Step 5: Solve for x
    x = 10,581,424,448.64/118,450.73
  6. Step 6: Final answer
    x = 89,331.86

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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.