Home / 66,504.51-91,778.45-36,291.50

Finding the Fourth Proportional to 66,504.51, 91,778.45 and 36,291.50

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Solution

The fourth proportional to 66,504.51, 91,778.45 and 36,291.50 is: 50,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.51 : 91,778.45 = 36,291.50 : x
  2. Step 2: Convert to fraction form
    66,504.51/91,778.45 = 36,291.50/x
  3. Step 3: Cross multiply
    66,504.51x = 91,778.45 × 36,291.50
  4. Step 4: Simplify right side
    66,504.51x = 3,330,776,977.83
  5. Step 5: Solve for x
    x = 3,330,776,977.83/66,504.51
  6. Step 6: Final answer
    x = 50,083.48

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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.