Home / 98,798.62-148,091.64-42,665.17

Finding the Fourth Proportional to 98,798.62, 148,091.64 and 42,665.17

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Solution

The fourth proportional to 98,798.62, 148,091.64 and 42,665.17 is: 63,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,798.62 : 148,091.64 = 42,665.17 : x
  2. Step 2: Convert to fraction form
    98,798.62/148,091.64 = 42,665.17/x
  3. Step 3: Cross multiply
    98,798.62x = 148,091.64 × 42,665.17
  4. Step 4: Simplify right side
    98,798.62x = 6,318,354,996.18
  5. Step 5: Solve for x
    x = 6,318,354,996.18/98,798.62
  6. Step 6: Final answer
    x = 63,951.85

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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.