Home / 43,151.40-64,722.06-11,564.19

Finding the Fourth Proportional to 43,151.40, 64,722.06 and 11,564.19

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Solution

The fourth proportional to 43,151.40, 64,722.06 and 11,564.19 is: 17,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.40 : 64,722.06 = 11,564.19 : x
  2. Step 2: Convert to fraction form
    43,151.40/64,722.06 = 11,564.19/x
  3. Step 3: Cross multiply
    43,151.40x = 64,722.06 × 11,564.19
  4. Step 4: Simplify right side
    43,151.40x = 748,458,199.03
  5. Step 5: Solve for x
    x = 748,458,199.03/43,151.40
  6. Step 6: Final answer
    x = 17,344.93

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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.