Home / 124,016.26-171,143.64-67,428.84

Finding the Fourth Proportional to 124,016.26, 171,143.64 and 67,428.84

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Solution

The fourth proportional to 124,016.26, 171,143.64 and 67,428.84 is: 93,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,016.26 : 171,143.64 = 67,428.84 : x
  2. Step 2: Convert to fraction form
    124,016.26/171,143.64 = 67,428.84/x
  3. Step 3: Cross multiply
    124,016.26x = 171,143.64 × 67,428.84
  4. Step 4: Simplify right side
    124,016.26x = 11,540,017,118.58
  5. Step 5: Solve for x
    x = 11,540,017,118.58/124,016.26
  6. Step 6: Final answer
    x = 93,052.45

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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.