Home / 66,442.67-91,688.89-36,228.59

Finding the Fourth Proportional to 66,442.67, 91,688.89 and 36,228.59

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Solution

The fourth proportional to 66,442.67, 91,688.89 and 36,228.59 is: 49,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.67 : 91,688.89 = 36,228.59 : x
  2. Step 2: Convert to fraction form
    66,442.67/91,688.89 = 36,228.59/x
  3. Step 3: Cross multiply
    66,442.67x = 91,688.89 × 36,228.59
  4. Step 4: Simplify right side
    66,442.67x = 3,321,759,203.37
  5. Step 5: Solve for x
    x = 3,321,759,203.37/66,442.67
  6. Step 6: Final answer
    x = 49,994.37

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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.