Home / 98,079.64-146,990.32-38,883.04

Finding the Fourth Proportional to 98,079.64, 146,990.32 and 38,883.04

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Solution

The fourth proportional to 98,079.64, 146,990.32 and 38,883.04 is: 58,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,079.64 : 146,990.32 = 38,883.04 : x
  2. Step 2: Convert to fraction form
    98,079.64/146,990.32 = 38,883.04/x
  3. Step 3: Cross multiply
    98,079.64x = 146,990.32 × 38,883.04
  4. Step 4: Simplify right side
    98,079.64x = 5,715,430,492.17
  5. Step 5: Solve for x
    x = 5,715,430,492.17/98,079.64
  6. Step 6: Final answer
    x = 58,273.36

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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.