Home / 42,698.62-64,040.67-11,526.58

Finding the Fourth Proportional to 42,698.62, 64,040.67 and 11,526.58

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Solution

The fourth proportional to 42,698.62, 64,040.67 and 11,526.58 is: 17,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698.62 : 64,040.67 = 11,526.58 : x
  2. Step 2: Convert to fraction form
    42,698.62/64,040.67 = 11,526.58/x
  3. Step 3: Cross multiply
    42,698.62x = 64,040.67 × 11,526.58
  4. Step 4: Simplify right side
    42,698.62x = 738,169,906.01
  5. Step 5: Solve for x
    x = 738,169,906.01/42,698.62
  6. Step 6: Final answer
    x = 17,287.91

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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.