Home / 103,645.14-155,477.43-41,320.50

Finding the Fourth Proportional to 103,645.14, 155,477.43 and 41,320.50

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Solution

The fourth proportional to 103,645.14, 155,477.43 and 41,320.50 is: 61,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.14 : 155,477.43 = 41,320.50 : x
  2. Step 2: Convert to fraction form
    103,645.14/155,477.43 = 41,320.50/x
  3. Step 3: Cross multiply
    103,645.14x = 155,477.43 × 41,320.50
  4. Step 4: Simplify right side
    103,645.14x = 6,424,405,146.32
  5. Step 5: Solve for x
    x = 6,424,405,146.32/103,645.14
  6. Step 6: Final answer
    x = 61,984.63

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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.