Home / 76,246.77-114,369.32-31,258.09

Finding the Fourth Proportional to 76,246.77, 114,369.32 and 31,258.09

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Solution

The fourth proportional to 76,246.77, 114,369.32 and 31,258.09 is: 46,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.77 : 114,369.32 = 31,258.09 : x
  2. Step 2: Convert to fraction form
    76,246.77/114,369.32 = 31,258.09/x
  3. Step 3: Cross multiply
    76,246.77x = 114,369.32 × 31,258.09
  4. Step 4: Simplify right side
    76,246.77x = 3,574,966,497.80
  5. Step 5: Solve for x
    x = 3,574,966,497.80/76,246.77
  6. Step 6: Final answer
    x = 46,886.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.