Home / 76,918.82-106,148.07-46,696.10

Finding the Fourth Proportional to 76,918.82, 106,148.07 and 46,696.10

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Solution

The fourth proportional to 76,918.82, 106,148.07 and 46,696.10 is: 64,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,918.82 : 106,148.07 = 46,696.10 : x
  2. Step 2: Convert to fraction form
    76,918.82/106,148.07 = 46,696.10/x
  3. Step 3: Cross multiply
    76,918.82x = 106,148.07 × 46,696.10
  4. Step 4: Simplify right side
    76,918.82x = 4,956,700,360.79
  5. Step 5: Solve for x
    x = 4,956,700,360.79/76,918.82
  6. Step 6: Final answer
    x = 64,440.68

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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.