Home / 98,544.42-147,817.44-42,380.64

Finding the Fourth Proportional to 98,544.42, 147,817.44 and 42,380.64

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Solution

The fourth proportional to 98,544.42, 147,817.44 and 42,380.64 is: 63,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.42 : 147,817.44 = 42,380.64 : x
  2. Step 2: Convert to fraction form
    98,544.42/147,817.44 = 42,380.64/x
  3. Step 3: Cross multiply
    98,544.42x = 147,817.44 × 42,380.64
  4. Step 4: Simplify right side
    98,544.42x = 6,264,597,710.36
  5. Step 5: Solve for x
    x = 6,264,597,710.36/98,544.42
  6. Step 6: Final answer
    x = 63,571.31

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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.