Home / 55,916.46-83,871.96-20,853.39

Finding the Fourth Proportional to 55,916.46, 83,871.96 and 20,853.39

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Solution

The fourth proportional to 55,916.46, 83,871.96 and 20,853.39 is: 31,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.46 : 83,871.96 = 20,853.39 : x
  2. Step 2: Convert to fraction form
    55,916.46/83,871.96 = 20,853.39/x
  3. Step 3: Cross multiply
    55,916.46x = 83,871.96 × 20,853.39
  4. Step 4: Simplify right side
    55,916.46x = 1,749,014,168.32
  5. Step 5: Solve for x
    x = 1,749,014,168.32/55,916.46
  6. Step 6: Final answer
    x = 31,279.06

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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.