Home / 98,653.44-148,002.32-28,538.20

Finding the Fourth Proportional to 98,653.44, 148,002.32 and 28,538.20

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Solution

The fourth proportional to 98,653.44, 148,002.32 and 28,538.20 is: 42,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,653.44 : 148,002.32 = 28,538.20 : x
  2. Step 2: Convert to fraction form
    98,653.44/148,002.32 = 28,538.20/x
  3. Step 3: Cross multiply
    98,653.44x = 148,002.32 × 28,538.20
  4. Step 4: Simplify right side
    98,653.44x = 4,223,719,808.62
  5. Step 5: Solve for x
    x = 4,223,719,808.62/98,653.44
  6. Step 6: Final answer
    x = 42,813.71

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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.