Home / 77,110.36-106,406.45-46,891.48

Finding the Fourth Proportional to 77,110.36, 106,406.45 and 46,891.48

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Solution

The fourth proportional to 77,110.36, 106,406.45 and 46,891.48 is: 64,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,110.36 : 106,406.45 = 46,891.48 : x
  2. Step 2: Convert to fraction form
    77,110.36/106,406.45 = 46,891.48/x
  3. Step 3: Cross multiply
    77,110.36x = 106,406.45 × 46,891.48
  4. Step 4: Simplify right side
    77,110.36x = 4,989,555,922.05
  5. Step 5: Solve for x
    x = 4,989,555,922.05/77,110.36
  6. Step 6: Final answer
    x = 64,706.69

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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.