Home / 74,286.24-102,504.16-42,448.98

Finding the Fourth Proportional to 74,286.24, 102,504.16 and 42,448.98

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Solution

The fourth proportional to 74,286.24, 102,504.16 and 42,448.98 is: 58,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286.24 : 102,504.16 = 42,448.98 : x
  2. Step 2: Convert to fraction form
    74,286.24/102,504.16 = 42,448.98/x
  3. Step 3: Cross multiply
    74,286.24x = 102,504.16 × 42,448.98
  4. Step 4: Simplify right side
    74,286.24x = 4,351,197,037.76
  5. Step 5: Solve for x
    x = 4,351,197,037.76/74,286.24
  6. Step 6: Final answer
    x = 58,573.39

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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.