Home / 43,019.09-64,528.53-11,432.33

Finding the Fourth Proportional to 43,019.09, 64,528.53 and 11,432.33

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Solution

The fourth proportional to 43,019.09, 64,528.53 and 11,432.33 is: 17,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.09 : 64,528.53 = 11,432.33 : x
  2. Step 2: Convert to fraction form
    43,019.09/64,528.53 = 11,432.33/x
  3. Step 3: Cross multiply
    43,019.09x = 64,528.53 × 11,432.33
  4. Step 4: Simplify right side
    43,019.09x = 737,711,449.37
  5. Step 5: Solve for x
    x = 737,711,449.37/43,019.09
  6. Step 6: Final answer
    x = 17,148.47

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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.