Home / 85,548.09-118,063.67-49,735.83

Finding the Fourth Proportional to 85,548.09, 118,063.67 and 49,735.83

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Solution

The fourth proportional to 85,548.09, 118,063.67 and 49,735.83 is: 68,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,548.09 : 118,063.67 = 49,735.83 : x
  2. Step 2: Convert to fraction form
    85,548.09/118,063.67 = 49,735.83/x
  3. Step 3: Cross multiply
    85,548.09x = 118,063.67 × 49,735.83
  4. Step 4: Simplify right side
    85,548.09x = 5,871,994,371.62
  5. Step 5: Solve for x
    x = 5,871,994,371.62/85,548.09
  6. Step 6: Final answer
    x = 68,639.69

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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.