Home / 82,824.90-114,313.06-47,007.78

Finding the Fourth Proportional to 82,824.90, 114,313.06 and 47,007.78

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Solution

The fourth proportional to 82,824.90, 114,313.06 and 47,007.78 is: 64,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824.90 : 114,313.06 = 47,007.78 : x
  2. Step 2: Convert to fraction form
    82,824.90/114,313.06 = 47,007.78/x
  3. Step 3: Cross multiply
    82,824.90x = 114,313.06 × 47,007.78
  4. Step 4: Simplify right side
    82,824.90x = 5,373,603,175.61
  5. Step 5: Solve for x
    x = 5,373,603,175.61/82,824.90
  6. Step 6: Final answer
    x = 64,879.08

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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.