Home / 98,869.31-148,356.26-53,923.12

Finding the Fourth Proportional to 98,869.31, 148,356.26 and 53,923.12

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Solution

The fourth proportional to 98,869.31, 148,356.26 and 53,923.12 is: 80,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.31 : 148,356.26 = 53,923.12 : x
  2. Step 2: Convert to fraction form
    98,869.31/148,356.26 = 53,923.12/x
  3. Step 3: Cross multiply
    98,869.31x = 148,356.26 × 53,923.12
  4. Step 4: Simplify right side
    98,869.31x = 7,999,831,972.44
  5. Step 5: Solve for x
    x = 7,999,831,972.44/98,869.31
  6. Step 6: Final answer
    x = 80,913.20

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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.