Home / 107,966.78-148,917.03-93,600.93

Finding the Fourth Proportional to 107,966.78, 148,917.03 and 93,600.93

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Solution

The fourth proportional to 107,966.78, 148,917.03 and 93,600.93 is: 129,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.78 : 148,917.03 = 93,600.93 : x
  2. Step 2: Convert to fraction form
    107,966.78/148,917.03 = 93,600.93/x
  3. Step 3: Cross multiply
    107,966.78x = 148,917.03 × 93,600.93
  4. Step 4: Simplify right side
    107,966.78x = 13,938,772,500.84
  5. Step 5: Solve for x
    x = 13,938,772,500.84/107,966.78
  6. Step 6: Final answer
    x = 129,102.42

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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.