Home / 85,849.37-118,496.81-51,852.45

Finding the Fourth Proportional to 85,849.37, 118,496.81 and 51,852.45

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Solution

The fourth proportional to 85,849.37, 118,496.81 and 51,852.45 is: 71,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,849.37 : 118,496.81 = 51,852.45 : x
  2. Step 2: Convert to fraction form
    85,849.37/118,496.81 = 51,852.45/x
  3. Step 3: Cross multiply
    85,849.37x = 118,496.81 × 51,852.45
  4. Step 4: Simplify right side
    85,849.37x = 6,144,349,915.68
  5. Step 5: Solve for x
    x = 6,144,349,915.68/85,849.37
  6. Step 6: Final answer
    x = 71,571.29

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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.