Home / 56,216.11-84,314.93-20,185.11

Finding the Fourth Proportional to 56,216.11, 84,314.93 and 20,185.11

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Solution

The fourth proportional to 56,216.11, 84,314.93 and 20,185.11 is: 30,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.11 : 84,314.93 = 20,185.11 : x
  2. Step 2: Convert to fraction form
    56,216.11/84,314.93 = 20,185.11/x
  3. Step 3: Cross multiply
    56,216.11x = 84,314.93 × 20,185.11
  4. Step 4: Simplify right side
    56,216.11x = 1,701,905,614.19
  5. Step 5: Solve for x
    x = 1,701,905,614.19/56,216.11
  6. Step 6: Final answer
    x = 30,274.34

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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.