Home / 85,803.49-118,420.41-50,004.73

Finding the Fourth Proportional to 85,803.49, 118,420.41 and 50,004.73

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Solution

The fourth proportional to 85,803.49, 118,420.41 and 50,004.73 is: 69,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.49 : 118,420.41 = 50,004.73 : x
  2. Step 2: Convert to fraction form
    85,803.49/118,420.41 = 50,004.73/x
  3. Step 3: Cross multiply
    85,803.49x = 118,420.41 × 50,004.73
  4. Step 4: Simplify right side
    85,803.49x = 5,921,580,628.54
  5. Step 5: Solve for x
    x = 5,921,580,628.54/85,803.49
  6. Step 6: Final answer
    x = 69,013.28

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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.