Home / 74,775.92-103,201.96-47,948.72

Finding the Fourth Proportional to 74,775.92, 103,201.96 and 47,948.72

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Solution

The fourth proportional to 74,775.92, 103,201.96 and 47,948.72 is: 66,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775.92 : 103,201.96 = 47,948.72 : x
  2. Step 2: Convert to fraction form
    74,775.92/103,201.96 = 47,948.72/x
  3. Step 3: Cross multiply
    74,775.92x = 103,201.96 × 47,948.72
  4. Step 4: Simplify right side
    74,775.92x = 4,948,401,883.49
  5. Step 5: Solve for x
    x = 4,948,401,883.49/74,775.92
  6. Step 6: Final answer
    x = 66,176.41

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1.5x scale

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.