Home / 123,312.26-170,170.03-69,596.81

Finding the Fourth Proportional to 123,312.26, 170,170.03 and 69,596.81

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Solution

The fourth proportional to 123,312.26, 170,170.03 and 69,596.81 is: 96,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,312.26 : 170,170.03 = 69,596.81 : x
  2. Step 2: Convert to fraction form
    123,312.26/170,170.03 = 69,596.81/x
  3. Step 3: Cross multiply
    123,312.26x = 170,170.03 × 69,596.81
  4. Step 4: Simplify right side
    123,312.26x = 11,843,291,245.60
  5. Step 5: Solve for x
    x = 11,843,291,245.60/123,312.26
  6. Step 6: Final answer
    x = 96,043.10

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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.