Home / 77,942.80-107,560.56-46,111.12

Finding the Fourth Proportional to 77,942.80, 107,560.56 and 46,111.12

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Solution

The fourth proportional to 77,942.80, 107,560.56 and 46,111.12 is: 63,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.80 : 107,560.56 = 46,111.12 : x
  2. Step 2: Convert to fraction form
    77,942.80/107,560.56 = 46,111.12/x
  3. Step 3: Cross multiply
    77,942.80x = 107,560.56 × 46,111.12
  4. Step 4: Simplify right side
    77,942.80x = 4,959,737,889.43
  5. Step 5: Solve for x
    x = 4,959,737,889.43/77,942.80
  6. Step 6: Final answer
    x = 63,633.05

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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.