Home / 84,888.12-117,163.24-49,073.16

Finding the Fourth Proportional to 84,888.12, 117,163.24 and 49,073.16

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Solution

The fourth proportional to 84,888.12, 117,163.24 and 49,073.16 is: 67,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888.12 : 117,163.24 = 49,073.16 : x
  2. Step 2: Convert to fraction form
    84,888.12/117,163.24 = 49,073.16/x
  3. Step 3: Cross multiply
    84,888.12x = 117,163.24 × 49,073.16
  4. Step 4: Simplify right side
    84,888.12x = 5,749,570,422.64
  5. Step 5: Solve for x
    x = 5,749,570,422.64/84,888.12
  6. Step 6: Final answer
    x = 67,731.16

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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.