Home / 124,101.07-171,260.81-67,512.58

Finding the Fourth Proportional to 124,101.07, 171,260.81 and 67,512.58

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Solution

The fourth proportional to 124,101.07, 171,260.81 and 67,512.58 is: 93,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,101.07 : 171,260.81 = 67,512.58 : x
  2. Step 2: Convert to fraction form
    124,101.07/171,260.81 = 67,512.58/x
  3. Step 3: Cross multiply
    124,101.07x = 171,260.81 × 67,512.58
  4. Step 4: Simplify right side
    124,101.07x = 11,562,259,135.99
  5. Step 5: Solve for x
    x = 11,562,259,135.99/124,101.07
  6. Step 6: Final answer
    x = 93,168.09

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1.5x scale

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.