Home / 43,102.14-64,657.71-11,937.39

Finding the Fourth Proportional to 43,102.14, 64,657.71 and 11,937.39

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Solution

The fourth proportional to 43,102.14, 64,657.71 and 11,937.39 is: 17,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.14 : 64,657.71 = 11,937.39 : x
  2. Step 2: Convert to fraction form
    43,102.14/64,657.71 = 11,937.39/x
  3. Step 3: Cross multiply
    43,102.14x = 64,657.71 × 11,937.39
  4. Step 4: Simplify right side
    43,102.14x = 771,844,300.78
  5. Step 5: Solve for x
    x = 771,844,300.78/43,102.14
  6. Step 6: Final answer
    x = 17,907.33

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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.