Home / 55,631.93-83,446.97-13,512.35

Finding the Fourth Proportional to 55,631.93, 83,446.97 and 13,512.35

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Solution

The fourth proportional to 55,631.93, 83,446.97 and 13,512.35 is: 20,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.93 : 83,446.97 = 13,512.35 : x
  2. Step 2: Convert to fraction form
    55,631.93/83,446.97 = 13,512.35/x
  3. Step 3: Cross multiply
    55,631.93x = 83,446.97 × 13,512.35
  4. Step 4: Simplify right side
    55,631.93x = 1,127,564,665.08
  5. Step 5: Solve for x
    x = 1,127,564,665.08/55,631.93
  6. Step 6: Final answer
    x = 20,268.30

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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.