Home / 74,064.62-102,144.88-51,441.32

Finding the Fourth Proportional to 74,064.62, 102,144.88 and 51,441.32

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Solution

The fourth proportional to 74,064.62, 102,144.88 and 51,441.32 is: 70,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064.62 : 102,144.88 = 51,441.32 : x
  2. Step 2: Convert to fraction form
    74,064.62/102,144.88 = 51,441.32/x
  3. Step 3: Cross multiply
    74,064.62x = 102,144.88 × 51,441.32
  4. Step 4: Simplify right side
    74,064.62x = 5,254,467,778.11
  5. Step 5: Solve for x
    x = 5,254,467,778.11/74,064.62
  6. Step 6: Final answer
    x = 70,944.37

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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.