Home / 42,108.44-63,153.96-15,812.60

Finding the Fourth Proportional to 42,108.44, 63,153.96 and 15,812.60

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Solution

The fourth proportional to 42,108.44, 63,153.96 and 15,812.60 is: 23,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.44 : 63,153.96 = 15,812.60 : x
  2. Step 2: Convert to fraction form
    42,108.44/63,153.96 = 15,812.60/x
  3. Step 3: Cross multiply
    42,108.44x = 63,153.96 × 15,812.60
  4. Step 4: Simplify right side
    42,108.44x = 998,628,307.90
  5. Step 5: Solve for x
    x = 998,628,307.90/42,108.44
  6. Step 6: Final answer
    x = 23,715.63

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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.