Home / 77,181.55-106,520.04-46,969.97

Finding the Fourth Proportional to 77,181.55, 106,520.04 and 46,969.97

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Solution

The fourth proportional to 77,181.55, 106,520.04 and 46,969.97 is: 64,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,181.55 : 106,520.04 = 46,969.97 : x
  2. Step 2: Convert to fraction form
    77,181.55/106,520.04 = 46,969.97/x
  3. Step 3: Cross multiply
    77,181.55x = 106,520.04 × 46,969.97
  4. Step 4: Simplify right side
    77,181.55x = 5,003,243,083.20
  5. Step 5: Solve for x
    x = 5,003,243,083.20/77,181.55
  6. Step 6: Final answer
    x = 64,824.34

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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.