Home / 103,713.58-155,578.56-51,094.36

Finding the Fourth Proportional to 103,713.58, 155,578.56 and 51,094.36

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Solution

The fourth proportional to 103,713.58, 155,578.56 and 51,094.36 is: 76,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,713.58 : 155,578.56 = 51,094.36 : x
  2. Step 2: Convert to fraction form
    103,713.58/155,578.56 = 51,094.36/x
  3. Step 3: Cross multiply
    103,713.58x = 155,578.56 × 51,094.36
  4. Step 4: Simplify right side
    103,713.58x = 7,949,186,952.92
  5. Step 5: Solve for x
    x = 7,949,186,952.92/103,713.58
  6. Step 6: Final answer
    x = 76,645.57

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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.