Home / 123,623.53-170,604.57-69,917.29

Finding the Fourth Proportional to 123,623.53, 170,604.57 and 69,917.29

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Solution

The fourth proportional to 123,623.53, 170,604.57 and 69,917.29 is: 96,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.53 : 170,604.57 = 69,917.29 : x
  2. Step 2: Convert to fraction form
    123,623.53/170,604.57 = 69,917.29/x
  3. Step 3: Cross multiply
    123,623.53x = 170,604.57 × 69,917.29
  4. Step 4: Simplify right side
    123,623.53x = 11,928,209,196.02
  5. Step 5: Solve for x
    x = 11,928,209,196.02/123,623.53
  6. Step 6: Final answer
    x = 96,488.18

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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.