Home / 43,290.16-64,935.56-13,707.44

Finding the Fourth Proportional to 43,290.16, 64,935.56 and 13,707.44

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Solution

The fourth proportional to 43,290.16, 64,935.56 and 13,707.44 is: 20,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.16 : 64,935.56 = 13,707.44 : x
  2. Step 2: Convert to fraction form
    43,290.16/64,935.56 = 13,707.44/x
  3. Step 3: Cross multiply
    43,290.16x = 64,935.56 × 13,707.44
  4. Step 4: Simplify right side
    43,290.16x = 890,100,292.57
  5. Step 5: Solve for x
    x = 890,100,292.57/43,290.16
  6. Step 6: Final answer
    x = 20,561.26

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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.