Home / 104,780.76-157,203.93-67,383.06

Finding the Fourth Proportional to 104,780.76, 157,203.93 and 67,383.06

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Solution

The fourth proportional to 104,780.76, 157,203.93 and 67,383.06 is: 101,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.76 : 157,203.93 = 67,383.06 : x
  2. Step 2: Convert to fraction form
    104,780.76/157,203.93 = 67,383.06/x
  3. Step 3: Cross multiply
    104,780.76x = 157,203.93 × 67,383.06
  4. Step 4: Simplify right side
    104,780.76x = 10,592,881,847.43
  5. Step 5: Solve for x
    x = 10,592,881,847.43/104,780.76
  6. Step 6: Final answer
    x = 101,095.68

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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.