Home / 82,924.16-114,506.88-71,104.64

Finding the Fourth Proportional to 82,924.16, 114,506.88 and 71,104.64

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Solution

The fourth proportional to 82,924.16, 114,506.88 and 71,104.64 is: 98,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,924.16 : 114,506.88 = 71,104.64 : x
  2. Step 2: Convert to fraction form
    82,924.16/114,506.88 = 71,104.64/x
  3. Step 3: Cross multiply
    82,924.16x = 114,506.88 × 71,104.64
  4. Step 4: Simplify right side
    82,924.16x = 8,141,970,479.92
  5. Step 5: Solve for x
    x = 8,141,970,479.92/82,924.16
  6. Step 6: Final answer
    x = 98,185.75

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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.