Home / 103,675.51-155,505.97-40,483.76

Finding the Fourth Proportional to 103,675.51, 155,505.97 and 40,483.76

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Solution

The fourth proportional to 103,675.51, 155,505.97 and 40,483.76 is: 60,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675.51 : 155,505.97 = 40,483.76 : x
  2. Step 2: Convert to fraction form
    103,675.51/155,505.97 = 40,483.76/x
  3. Step 3: Cross multiply
    103,675.51x = 155,505.97 × 40,483.76
  4. Step 4: Simplify right side
    103,675.51x = 6,295,466,368.05
  5. Step 5: Solve for x
    x = 6,295,466,368.05/103,675.51
  6. Step 6: Final answer
    x = 60,722.79

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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.