Home / 124,017.86-171,143.78-67,429.23

Finding the Fourth Proportional to 124,017.86, 171,143.78 and 67,429.23

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Solution

The fourth proportional to 124,017.86, 171,143.78 and 67,429.23 is: 93,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017.86 : 171,143.78 = 67,429.23 : x
  2. Step 2: Convert to fraction form
    124,017.86/171,143.78 = 67,429.23/x
  3. Step 3: Cross multiply
    124,017.86x = 171,143.78 × 67,429.23
  4. Step 4: Simplify right side
    124,017.86x = 11,540,092,967.54
  5. Step 5: Solve for x
    x = 11,540,092,967.54/124,017.86
  6. Step 6: Final answer
    x = 93,051.87

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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.