Home / 76,906.06-106,131.36-44,648.21

Finding the Fourth Proportional to 76,906.06, 106,131.36 and 44,648.21

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Solution

The fourth proportional to 76,906.06, 106,131.36 and 44,648.21 is: 61,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,906.06 : 106,131.36 = 44,648.21 : x
  2. Step 2: Convert to fraction form
    76,906.06/106,131.36 = 44,648.21/x
  3. Step 3: Cross multiply
    76,906.06x = 106,131.36 × 44,648.21
  4. Step 4: Simplify right side
    76,906.06x = 4,738,575,681.62
  5. Step 5: Solve for x
    x = 4,738,575,681.62/76,906.06
  6. Step 6: Final answer
    x = 61,615.12

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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.