Home / 123,585.98-170,548.83-66,997.35

Finding the Fourth Proportional to 123,585.98, 170,548.83 and 66,997.35

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Solution

The fourth proportional to 123,585.98, 170,548.83 and 66,997.35 is: 92,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,585.98 : 170,548.83 = 66,997.35 : x
  2. Step 2: Convert to fraction form
    123,585.98/170,548.83 = 66,997.35/x
  3. Step 3: Cross multiply
    123,585.98x = 170,548.83 × 66,997.35
  4. Step 4: Simplify right side
    123,585.98x = 11,426,319,655.60
  5. Step 5: Solve for x
    x = 11,426,319,655.60/123,585.98
  6. Step 6: Final answer
    x = 92,456.44

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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.