Home / 84,090.12-116,039.04-48,254.94

Finding the Fourth Proportional to 84,090.12, 116,039.04 and 48,254.94

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Solution

The fourth proportional to 84,090.12, 116,039.04 and 48,254.94 is: 66,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.12 : 116,039.04 = 48,254.94 : x
  2. Step 2: Convert to fraction form
    84,090.12/116,039.04 = 48,254.94/x
  3. Step 3: Cross multiply
    84,090.12x = 116,039.04 × 48,254.94
  4. Step 4: Simplify right side
    84,090.12x = 5,599,456,912.86
  5. Step 5: Solve for x
    x = 5,599,456,912.86/84,090.12
  6. Step 6: Final answer
    x = 66,588.76

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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.