Home / 42,546.06-63,817.47-11,380.50

Finding the Fourth Proportional to 42,546.06, 63,817.47 and 11,380.50

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Solution

The fourth proportional to 42,546.06, 63,817.47 and 11,380.50 is: 17,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,546.06 : 63,817.47 = 11,380.50 : x
  2. Step 2: Convert to fraction form
    42,546.06/63,817.47 = 11,380.50/x
  3. Step 3: Cross multiply
    42,546.06x = 63,817.47 × 11,380.50
  4. Step 4: Simplify right side
    42,546.06x = 726,274,717.34
  5. Step 5: Solve for x
    x = 726,274,717.34/42,546.06
  6. Step 6: Final answer
    x = 17,070.32

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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.