Home / 123,632.15-170,612.46-67,043.51

Finding the Fourth Proportional to 123,632.15, 170,612.46 and 67,043.51

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Solution

The fourth proportional to 123,632.15, 170,612.46 and 67,043.51 is: 92,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,632.15 : 170,612.46 = 67,043.51 : x
  2. Step 2: Convert to fraction form
    123,632.15/170,612.46 = 67,043.51/x
  3. Step 3: Cross multiply
    123,632.15x = 170,612.46 × 67,043.51
  4. Step 4: Simplify right side
    123,632.15x = 11,438,458,168.13
  5. Step 5: Solve for x
    x = 11,438,458,168.13/123,632.15
  6. Step 6: Final answer
    x = 92,520.09

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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.