Home / 123,837.83-170,894.70-67,249.61

Finding the Fourth Proportional to 123,837.83, 170,894.70 and 67,249.61

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Solution

The fourth proportional to 123,837.83, 170,894.70 and 67,249.61 is: 92,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.83 : 170,894.70 = 67,249.61 : x
  2. Step 2: Convert to fraction form
    123,837.83/170,894.70 = 67,249.61/x
  3. Step 3: Cross multiply
    123,837.83x = 170,894.70 × 67,249.61
  4. Step 4: Simplify right side
    123,837.83x = 11,492,601,926.07
  5. Step 5: Solve for x
    x = 11,492,601,926.07/123,837.83
  6. Step 6: Final answer
    x = 92,803.64

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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.