Home / 103,664.94-155,455.56-40,476.03

Finding the Fourth Proportional to 103,664.94, 155,455.56 and 40,476.03

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Solution

The fourth proportional to 103,664.94, 155,455.56 and 40,476.03 is: 60,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.94 : 155,455.56 = 40,476.03 : x
  2. Step 2: Convert to fraction form
    103,664.94/155,455.56 = 40,476.03/x
  3. Step 3: Cross multiply
    103,664.94x = 155,455.56 × 40,476.03
  4. Step 4: Simplify right side
    103,664.94x = 6,292,223,910.23
  5. Step 5: Solve for x
    x = 6,292,223,910.23/103,664.94
  6. Step 6: Final answer
    x = 60,697.70

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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.