Home / 98,623.86-136,103.38-59,862.12

Finding the Fourth Proportional to 98,623.86, 136,103.38 and 59,862.12

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Solution

The fourth proportional to 98,623.86, 136,103.38 and 59,862.12 is: 82,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.86 : 136,103.38 = 59,862.12 : x
  2. Step 2: Convert to fraction form
    98,623.86/136,103.38 = 59,862.12/x
  3. Step 3: Cross multiply
    98,623.86x = 136,103.38 × 59,862.12
  4. Step 4: Simplify right side
    98,623.86x = 8,147,436,865.97
  5. Step 5: Solve for x
    x = 8,147,436,865.97/98,623.86
  6. Step 6: Final answer
    x = 82,611.21

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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.