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Finding the Fourth Proportional to 60,202.78, 83,078.73 and 33,345.20

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Solution

The fourth proportional to 60,202.78, 83,078.73 and 33,345.20 is: 46,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,202.78 : 83,078.73 = 33,345.20 : x
  2. Step 2: Convert to fraction form
    60,202.78/83,078.73 = 33,345.20/x
  3. Step 3: Cross multiply
    60,202.78x = 83,078.73 × 33,345.20
  4. Step 4: Simplify right side
    60,202.78x = 2,770,277,075.29
  5. Step 5: Solve for x
    x = 2,770,277,075.29/60,202.78
  6. Step 6: Final answer
    x = 46,015.77

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1.5x scale

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.