Home / 75,008.20-112,361.10-46,841.80

Finding the Fourth Proportional to 75,008.20, 112,361.10 and 46,841.80

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Solution

The fourth proportional to 75,008.20, 112,361.10 and 46,841.80 is: 70,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008.20 : 112,361.10 = 46,841.80 : x
  2. Step 2: Convert to fraction form
    75,008.20/112,361.10 = 46,841.80/x
  3. Step 3: Cross multiply
    75,008.20x = 112,361.10 × 46,841.80
  4. Step 4: Simplify right side
    75,008.20x = 5,263,196,173.98
  5. Step 5: Solve for x
    x = 5,263,196,173.98/75,008.20
  6. Step 6: Final answer
    x = 70,168.28

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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.