Home / 76,911.84-106,120.20-46,696.56

Finding the Fourth Proportional to 76,911.84, 106,120.20 and 46,696.56

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Solution

The fourth proportional to 76,911.84, 106,120.20 and 46,696.56 is: 64,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,911.84 : 106,120.20 = 46,696.56 : x
  2. Step 2: Convert to fraction form
    76,911.84/106,120.20 = 46,696.56/x
  3. Step 3: Cross multiply
    76,911.84x = 106,120.20 × 46,696.56
  4. Step 4: Simplify right side
    76,911.84x = 4,955,448,286.51
  5. Step 5: Solve for x
    x = 4,955,448,286.51/76,911.84
  6. Step 6: Final answer
    x = 64,430.24

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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.