Home / 123,634.68-170,619.11-69,927.63

Finding the Fourth Proportional to 123,634.68, 170,619.11 and 69,927.63

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Solution

The fourth proportional to 123,634.68, 170,619.11 and 69,927.63 is: 96,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,634.68 : 170,619.11 = 69,927.63 : x
  2. Step 2: Convert to fraction form
    123,634.68/170,619.11 = 69,927.63/x
  3. Step 3: Cross multiply
    123,634.68x = 170,619.11 × 69,927.63
  4. Step 4: Simplify right side
    123,634.68x = 11,930,989,995.01
  5. Step 5: Solve for x
    x = 11,930,989,995.01/123,634.68
  6. Step 6: Final answer
    x = 96,501.97

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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.