Home / 85,921.44-118,572.32-47,683.57

Finding the Fourth Proportional to 85,921.44, 118,572.32 and 47,683.57

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Solution

The fourth proportional to 85,921.44, 118,572.32 and 47,683.57 is: 65,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,921.44 : 118,572.32 = 47,683.57 : x
  2. Step 2: Convert to fraction form
    85,921.44/118,572.32 = 47,683.57/x
  3. Step 3: Cross multiply
    85,921.44x = 118,572.32 × 47,683.57
  4. Step 4: Simplify right side
    85,921.44x = 5,653,951,343.56
  5. Step 5: Solve for x
    x = 5,653,951,343.56/85,921.44
  6. Step 6: Final answer
    x = 65,803.73

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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.