Home / 103,627.60-155,523.42-40,477.98

Finding the Fourth Proportional to 103,627.60, 155,523.42 and 40,477.98

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Solution

The fourth proportional to 103,627.60, 155,523.42 and 40,477.98 is: 60,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.60 : 155,523.42 = 40,477.98 : x
  2. Step 2: Convert to fraction form
    103,627.60/155,523.42 = 40,477.98/x
  3. Step 3: Cross multiply
    103,627.60x = 155,523.42 × 40,477.98
  4. Step 4: Simplify right side
    103,627.60x = 6,295,273,884.29
  5. Step 5: Solve for x
    x = 6,295,273,884.29/103,627.60
  6. Step 6: Final answer
    x = 60,749.01

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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.