Home / 84,093.12-116,065.32-48,307.68

Finding the Fourth Proportional to 84,093.12, 116,065.32 and 48,307.68

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Solution

The fourth proportional to 84,093.12, 116,065.32 and 48,307.68 is: 66,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,093.12 : 116,065.32 = 48,307.68 : x
  2. Step 2: Convert to fraction form
    84,093.12/116,065.32 = 48,307.68/x
  3. Step 3: Cross multiply
    84,093.12x = 116,065.32 × 48,307.68
  4. Step 4: Simplify right side
    84,093.12x = 5,606,846,337.66
  5. Step 5: Solve for x
    x = 5,606,846,337.66/84,093.12
  6. Step 6: Final answer
    x = 66,674.26

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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.