Home / 86,204.40-118,938.83-50,403.21

Finding the Fourth Proportional to 86,204.40, 118,938.83 and 50,403.21

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Solution

The fourth proportional to 86,204.40, 118,938.83 and 50,403.21 is: 69,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204.40 : 118,938.83 = 50,403.21 : x
  2. Step 2: Convert to fraction form
    86,204.40/118,938.83 = 50,403.21/x
  3. Step 3: Cross multiply
    86,204.40x = 118,938.83 × 50,403.21
  4. Step 4: Simplify right side
    86,204.40x = 5,994,898,573.63
  5. Step 5: Solve for x
    x = 5,994,898,573.63/86,204.40
  6. Step 6: Final answer
    x = 69,542.84

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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.