Home / 123,324.53-170,188.01-66,735.91

Finding the Fourth Proportional to 123,324.53, 170,188.01 and 66,735.91

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Solution

The fourth proportional to 123,324.53, 170,188.01 and 66,735.91 is: 92,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,324.53 : 170,188.01 = 66,735.91 : x
  2. Step 2: Convert to fraction form
    123,324.53/170,188.01 = 66,735.91/x
  3. Step 3: Cross multiply
    123,324.53x = 170,188.01 × 66,735.91
  4. Step 4: Simplify right side
    123,324.53x = 11,357,650,959.29
  5. Step 5: Solve for x
    x = 11,357,650,959.29/123,324.53
  6. Step 6: Final answer
    x = 92,095.63

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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.