Home / 55,633.70-83,449.37-13,513.98

Finding the Fourth Proportional to 55,633.70, 83,449.37 and 13,513.98

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Solution

The fourth proportional to 55,633.70, 83,449.37 and 13,513.98 is: 20,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.70 : 83,449.37 = 13,513.98 : x
  2. Step 2: Convert to fraction form
    55,633.70/83,449.37 = 13,513.98/x
  3. Step 3: Cross multiply
    55,633.70x = 83,449.37 × 13,513.98
  4. Step 4: Simplify right side
    55,633.70x = 1,127,733,117.19
  5. Step 5: Solve for x
    x = 1,127,733,117.19/55,633.70
  6. Step 6: Final answer
    x = 20,270.68

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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.