Home / 74,921.42-103,367.57-53,414.67

Finding the Fourth Proportional to 74,921.42, 103,367.57 and 53,414.67

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Solution

The fourth proportional to 74,921.42, 103,367.57 and 53,414.67 is: 73,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.42 : 103,367.57 = 53,414.67 : x
  2. Step 2: Convert to fraction form
    74,921.42/103,367.57 = 53,414.67/x
  3. Step 3: Cross multiply
    74,921.42x = 103,367.57 × 53,414.67
  4. Step 4: Simplify right side
    74,921.42x = 5,521,344,640.25
  5. Step 5: Solve for x
    x = 5,521,344,640.25/74,921.42
  6. Step 6: Final answer
    x = 73,695.14

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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.