Home / 123,925.44-171,018.15-67,336.81

Finding the Fourth Proportional to 123,925.44, 171,018.15 and 67,336.81

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Solution

The fourth proportional to 123,925.44, 171,018.15 and 67,336.81 is: 92,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,925.44 : 171,018.15 = 67,336.81 : x
  2. Step 2: Convert to fraction form
    123,925.44/171,018.15 = 67,336.81/x
  3. Step 3: Cross multiply
    123,925.44x = 171,018.15 × 67,336.81
  4. Step 4: Simplify right side
    123,925.44x = 11,515,816,673.10
  5. Step 5: Solve for x
    x = 11,515,816,673.10/123,925.44
  6. Step 6: Final answer
    x = 92,925.36

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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.