Home / 123,974.88-171,084.51-67,386.26

Finding the Fourth Proportional to 123,974.88, 171,084.51 and 67,386.26

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Solution

The fourth proportional to 123,974.88, 171,084.51 and 67,386.26 is: 92,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,974.88 : 171,084.51 = 67,386.26 : x
  2. Step 2: Convert to fraction form
    123,974.88/171,084.51 = 67,386.26/x
  3. Step 3: Cross multiply
    123,974.88x = 171,084.51 × 67,386.26
  4. Step 4: Simplify right side
    123,974.88x = 11,528,744,417.41
  5. Step 5: Solve for x
    x = 11,528,744,417.41/123,974.88
  6. Step 6: Final answer
    x = 92,992.58

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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.