Home / 48,435.69-72,653.07-28,700.04

Finding the Fourth Proportional to 48,435.69, 72,653.07 and 28,700.04

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Solution

The fourth proportional to 48,435.69, 72,653.07 and 28,700.04 is: 43,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.69 : 72,653.07 = 28,700.04 : x
  2. Step 2: Convert to fraction form
    48,435.69/72,653.07 = 28,700.04/x
  3. Step 3: Cross multiply
    48,435.69x = 72,653.07 × 28,700.04
  4. Step 4: Simplify right side
    48,435.69x = 2,085,146,015.12
  5. Step 5: Solve for x
    x = 2,085,146,015.12/48,435.69
  6. Step 6: Final answer
    x = 43,049.78

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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.