Home / 74,533.42-102,874.38-42,286.91

Finding the Fourth Proportional to 74,533.42, 102,874.38 and 42,286.91

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Solution

The fourth proportional to 74,533.42, 102,874.38 and 42,286.91 is: 58,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.42 : 102,874.38 = 42,286.91 : x
  2. Step 2: Convert to fraction form
    74,533.42/102,874.38 = 42,286.91/x
  3. Step 3: Cross multiply
    74,533.42x = 102,874.38 × 42,286.91
  4. Step 4: Simplify right side
    74,533.42x = 4,350,239,791.95
  5. Step 5: Solve for x
    x = 4,350,239,791.95/74,533.42
  6. Step 6: Final answer
    x = 58,366.30

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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.