Home / 123,656.04-170,646.30-67,067.40

Finding the Fourth Proportional to 123,656.04, 170,646.30 and 67,067.40

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Solution

The fourth proportional to 123,656.04, 170,646.30 and 67,067.40 is: 92,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,656.04 : 170,646.30 = 67,067.40 : x
  2. Step 2: Convert to fraction form
    123,656.04/170,646.30 = 67,067.40/x
  3. Step 3: Cross multiply
    123,656.04x = 170,646.30 × 67,067.40
  4. Step 4: Simplify right side
    123,656.04x = 11,444,803,660.62
  5. Step 5: Solve for x
    x = 11,444,803,660.62/123,656.04
  6. Step 6: Final answer
    x = 92,553.54

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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.