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Finding the Fourth Proportional to 65,846.60, 90,852.48 and 40,004.63

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Solution

The fourth proportional to 65,846.60, 90,852.48 and 40,004.63 is: 55,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.60 : 90,852.48 = 40,004.63 : x
  2. Step 2: Convert to fraction form
    65,846.60/90,852.48 = 40,004.63/x
  3. Step 3: Cross multiply
    65,846.60x = 90,852.48 × 40,004.63
  4. Step 4: Simplify right side
    65,846.60x = 3,634,519,392.72
  5. Step 5: Solve for x
    x = 3,634,519,392.72/65,846.60
  6. Step 6: Final answer
    x = 55,196.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.