Home / 98,631.83-147,948.83-28,511.75

Finding the Fourth Proportional to 98,631.83, 147,948.83 and 28,511.75

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Solution

The fourth proportional to 98,631.83, 147,948.83 and 28,511.75 is: 42,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,631.83 : 147,948.83 = 28,511.75 : x
  2. Step 2: Convert to fraction form
    98,631.83/147,948.83 = 28,511.75/x
  3. Step 3: Cross multiply
    98,631.83x = 147,948.83 × 28,511.75
  4. Step 4: Simplify right side
    98,631.83x = 4,218,279,911.19
  5. Step 5: Solve for x
    x = 4,218,279,911.19/98,631.83
  6. Step 6: Final answer
    x = 42,767.94

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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.