Home / 107,712.72-148,640.64-59,966.07

Finding the Fourth Proportional to 107,712.72, 148,640.64 and 59,966.07

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Solution

The fourth proportional to 107,712.72, 148,640.64 and 59,966.07 is: 82,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,712.72 : 148,640.64 = 59,966.07 : x
  2. Step 2: Convert to fraction form
    107,712.72/148,640.64 = 59,966.07/x
  3. Step 3: Cross multiply
    107,712.72x = 148,640.64 × 59,966.07
  4. Step 4: Simplify right side
    107,712.72x = 8,913,395,023.08
  5. Step 5: Solve for x
    x = 8,913,395,023.08/107,712.72
  6. Step 6: Final answer
    x = 82,751.55

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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.