Home / 123,495.24-170,423.60-66,906.62

Finding the Fourth Proportional to 123,495.24, 170,423.60 and 66,906.62

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Solution

The fourth proportional to 123,495.24, 170,423.60 and 66,906.62 is: 92,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.24 : 170,423.60 = 66,906.62 : x
  2. Step 2: Convert to fraction form
    123,495.24/170,423.60 = 66,906.62/x
  3. Step 3: Cross multiply
    123,495.24x = 170,423.60 × 66,906.62
  4. Step 4: Simplify right side
    123,495.24x = 11,402,467,044.23
  5. Step 5: Solve for x
    x = 11,402,467,044.23/123,495.24
  6. Step 6: Final answer
    x = 92,331.23

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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.