Home / 57,812.41-86,717.26-26,647.66

Finding the Fourth Proportional to 57,812.41, 86,717.26 and 26,647.66

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Solution

The fourth proportional to 57,812.41, 86,717.26 and 26,647.66 is: 39,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.41 : 86,717.26 = 26,647.66 : x
  2. Step 2: Convert to fraction form
    57,812.41/86,717.26 = 26,647.66/x
  3. Step 3: Cross multiply
    57,812.41x = 86,717.26 × 26,647.66
  4. Step 4: Simplify right side
    57,812.41x = 2,310,811,877.13
  5. Step 5: Solve for x
    x = 2,310,811,877.13/57,812.41
  6. Step 6: Final answer
    x = 39,970.86

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1.5x scale

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.