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Finding the Fourth Proportional to 84,014.76, 126,033.66 and 37,266.60

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Solution

The fourth proportional to 84,014.76, 126,033.66 and 37,266.60 is: 55,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.76 : 126,033.66 = 37,266.60 : x
  2. Step 2: Convert to fraction form
    84,014.76/126,033.66 = 37,266.60/x
  3. Step 3: Cross multiply
    84,014.76x = 126,033.66 × 37,266.60
  4. Step 4: Simplify right side
    84,014.76x = 4,696,845,993.76
  5. Step 5: Solve for x
    x = 4,696,845,993.76/84,014.76
  6. Step 6: Final answer
    x = 55,905.01

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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.