Home / 123,484.90-170,409.13-66,896.26

Finding the Fourth Proportional to 123,484.90, 170,409.13 and 66,896.26

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Solution

The fourth proportional to 123,484.90, 170,409.13 and 66,896.26 is: 92,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484.90 : 170,409.13 = 66,896.26 : x
  2. Step 2: Convert to fraction form
    123,484.90/170,409.13 = 66,896.26/x
  3. Step 3: Cross multiply
    123,484.90x = 170,409.13 × 66,896.26
  4. Step 4: Simplify right side
    123,484.90x = 11,399,733,466.85
  5. Step 5: Solve for x
    x = 11,399,733,466.85/123,484.90
  6. Step 6: Final answer
    x = 92,316.82

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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.