Home / 85,683.92-118,243.77-47,958.17

Finding the Fourth Proportional to 85,683.92, 118,243.77 and 47,958.17

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Solution

The fourth proportional to 85,683.92, 118,243.77 and 47,958.17 is: 66,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683.92 : 118,243.77 = 47,958.17 : x
  2. Step 2: Convert to fraction form
    85,683.92/118,243.77 = 47,958.17/x
  3. Step 3: Cross multiply
    85,683.92x = 118,243.77 × 47,958.17
  4. Step 4: Simplify right side
    85,683.92x = 5,670,754,231.88
  5. Step 5: Solve for x
    x = 5,670,754,231.88/85,683.92
  6. Step 6: Final answer
    x = 66,182.25

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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.