Home / 123,860.20-185,731.70-47,994.24

Finding the Fourth Proportional to 123,860.20, 185,731.70 and 47,994.24

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Solution

The fourth proportional to 123,860.20, 185,731.70 and 47,994.24 is: 71,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,860.20 : 185,731.70 = 47,994.24 : x
  2. Step 2: Convert to fraction form
    123,860.20/185,731.70 = 47,994.24/x
  3. Step 3: Cross multiply
    123,860.20x = 185,731.70 × 47,994.24
  4. Step 4: Simplify right side
    123,860.20x = 8,914,051,785.41
  5. Step 5: Solve for x
    x = 8,914,051,785.41/123,860.20
  6. Step 6: Final answer
    x = 71,968.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.