Home / 84,087.12-116,057.04-48,301.68

Finding the Fourth Proportional to 84,087.12, 116,057.04 and 48,301.68

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Solution

The fourth proportional to 84,087.12, 116,057.04 and 48,301.68 is: 66,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.12 : 116,057.04 = 48,301.68 : x
  2. Step 2: Convert to fraction form
    84,087.12/116,057.04 = 48,301.68/x
  3. Step 3: Cross multiply
    84,087.12x = 116,057.04 × 48,301.68
  4. Step 4: Simplify right side
    84,087.12x = 5,605,750,007.83
  5. Step 5: Solve for x
    x = 5,605,750,007.83/84,087.12
  6. Step 6: Final answer
    x = 66,665.98

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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.