Home / 100,051.04-150,076.56-40,876.40

Finding the Fourth Proportional to 100,051.04, 150,076.56 and 40,876.40

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Solution

The fourth proportional to 100,051.04, 150,076.56 and 40,876.40 is: 61,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,051.04 : 150,076.56 = 40,876.40 : x
  2. Step 2: Convert to fraction form
    100,051.04/150,076.56 = 40,876.40/x
  3. Step 3: Cross multiply
    100,051.04x = 150,076.56 × 40,876.40
  4. Step 4: Simplify right side
    100,051.04x = 6,134,589,497.18
  5. Step 5: Solve for x
    x = 6,134,589,497.18/100,051.04
  6. Step 6: Final answer
    x = 61,314.60

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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.