Home / 74,747.68-103,176.80-44,542.48

Finding the Fourth Proportional to 74,747.68, 103,176.80 and 44,542.48

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Solution

The fourth proportional to 74,747.68, 103,176.80 and 44,542.48 is: 61,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.68 : 103,176.80 = 44,542.48 : x
  2. Step 2: Convert to fraction form
    74,747.68/103,176.80 = 44,542.48/x
  3. Step 3: Cross multiply
    74,747.68x = 103,176.80 × 44,542.48
  4. Step 4: Simplify right side
    74,747.68x = 4,595,750,069.81
  5. Step 5: Solve for x
    x = 4,595,750,069.81/74,747.68
  6. Step 6: Final answer
    x = 61,483.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.