Home / 98,891.04-148,361.64-28,770.24

Finding the Fourth Proportional to 98,891.04, 148,361.64 and 28,770.24

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Solution

The fourth proportional to 98,891.04, 148,361.64 and 28,770.24 is: 43,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,891.04 : 148,361.64 = 28,770.24 : x
  2. Step 2: Convert to fraction form
    98,891.04/148,361.64 = 28,770.24/x
  3. Step 3: Cross multiply
    98,891.04x = 148,361.64 × 28,770.24
  4. Step 4: Simplify right side
    98,891.04x = 4,268,399,989.59
  5. Step 5: Solve for x
    x = 4,268,399,989.59/98,891.04
  6. Step 6: Final answer
    x = 43,162.66

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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.