Home / 123,461.89-170,377.77-66,873.27

Finding the Fourth Proportional to 123,461.89, 170,377.77 and 66,873.27

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Solution

The fourth proportional to 123,461.89, 170,377.77 and 66,873.27 is: 92,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,461.89 : 170,377.77 = 66,873.27 : x
  2. Step 2: Convert to fraction form
    123,461.89/170,377.77 = 66,873.27/x
  3. Step 3: Cross multiply
    123,461.89x = 170,377.77 × 66,873.27
  4. Step 4: Simplify right side
    123,461.89x = 11,393,718,615.21
  5. Step 5: Solve for x
    x = 11,393,718,615.21/123,461.89
  6. Step 6: Final answer
    x = 92,285.31

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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.