Home / 85,628.58-118,191.21-49,825.53

Finding the Fourth Proportional to 85,628.58, 118,191.21 and 49,825.53

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Solution

The fourth proportional to 85,628.58, 118,191.21 and 49,825.53 is: 68,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,628.58 : 118,191.21 = 49,825.53 : x
  2. Step 2: Convert to fraction form
    85,628.58/118,191.21 = 49,825.53/x
  3. Step 3: Cross multiply
    85,628.58x = 118,191.21 × 49,825.53
  4. Step 4: Simplify right side
    85,628.58x = 5,888,939,679.59
  5. Step 5: Solve for x
    x = 5,888,939,679.59/85,628.58
  6. Step 6: Final answer
    x = 68,773.06

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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.