Home / 74,702.73-111,969.36-46,635.33

Finding the Fourth Proportional to 74,702.73, 111,969.36 and 46,635.33

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Solution

The fourth proportional to 74,702.73, 111,969.36 and 46,635.33 is: 69,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,702.73 : 111,969.36 = 46,635.33 : x
  2. Step 2: Convert to fraction form
    74,702.73/111,969.36 = 46,635.33/x
  3. Step 3: Cross multiply
    74,702.73x = 111,969.36 × 46,635.33
  4. Step 4: Simplify right side
    74,702.73x = 5,221,728,053.49
  5. Step 5: Solve for x
    x = 5,221,728,053.49/74,702.73
  6. Step 6: Final answer
    x = 69,900.10

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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.