Home / 123,923.36-171,009.60-67,332.80

Finding the Fourth Proportional to 123,923.36, 171,009.60 and 67,332.80

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Solution

The fourth proportional to 123,923.36, 171,009.60 and 67,332.80 is: 92,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,923.36 : 171,009.60 = 67,332.80 : x
  2. Step 2: Convert to fraction form
    123,923.36/171,009.60 = 67,332.80/x
  3. Step 3: Cross multiply
    123,923.36x = 171,009.60 × 67,332.80
  4. Step 4: Simplify right side
    123,923.36x = 11,514,555,194.88
  5. Step 5: Solve for x
    x = 11,514,555,194.88/123,923.36
  6. Step 6: Final answer
    x = 92,916.74

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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.