Home / 85,855.90-118,484.22-50,040.13

Finding the Fourth Proportional to 85,855.90, 118,484.22 and 50,040.13

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Solution

The fourth proportional to 85,855.90, 118,484.22 and 50,040.13 is: 69,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,855.90 : 118,484.22 = 50,040.13 : x
  2. Step 2: Convert to fraction form
    85,855.90/118,484.22 = 50,040.13/x
  3. Step 3: Cross multiply
    85,855.90x = 118,484.22 × 50,040.13
  4. Step 4: Simplify right side
    85,855.90x = 5,928,965,771.75
  5. Step 5: Solve for x
    x = 5,928,965,771.75/85,855.90
  6. Step 6: Final answer
    x = 69,057.17

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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.