Home / 115,669.76-159,622.96-62,677.76

Finding the Fourth Proportional to 115,669.76, 159,622.96 and 62,677.76

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Solution

The fourth proportional to 115,669.76, 159,622.96 and 62,677.76 is: 86,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.76 : 159,622.96 = 62,677.76 : x
  2. Step 2: Convert to fraction form
    115,669.76/159,622.96 = 62,677.76/x
  3. Step 3: Cross multiply
    115,669.76x = 159,622.96 × 62,677.76
  4. Step 4: Simplify right side
    115,669.76x = 10,004,809,577.37
  5. Step 5: Solve for x
    x = 10,004,809,577.37/115,669.76
  6. Step 6: Final answer
    x = 86,494.60

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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.