Home / 70,486.03-105,727.02-26,111.80

Finding the Fourth Proportional to 70,486.03, 105,727.02 and 26,111.80

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Solution

The fourth proportional to 70,486.03, 105,727.02 and 26,111.80 is: 39,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,486.03 : 105,727.02 = 26,111.80 : x
  2. Step 2: Convert to fraction form
    70,486.03/105,727.02 = 26,111.80/x
  3. Step 3: Cross multiply
    70,486.03x = 105,727.02 × 26,111.80
  4. Step 4: Simplify right side
    70,486.03x = 2,760,722,800.84
  5. Step 5: Solve for x
    x = 2,760,722,800.84/70,486.03
  6. Step 6: Final answer
    x = 39,166.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.