Home / 82,923.12-114,436.99-47,119.20

Finding the Fourth Proportional to 82,923.12, 114,436.99 and 47,119.20

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Solution

The fourth proportional to 82,923.12, 114,436.99 and 47,119.20 is: 65,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,923.12 : 114,436.99 = 47,119.20 : x
  2. Step 2: Convert to fraction form
    82,923.12/114,436.99 = 47,119.20/x
  3. Step 3: Cross multiply
    82,923.12x = 114,436.99 × 47,119.20
  4. Step 4: Simplify right side
    82,923.12x = 5,392,179,419.21
  5. Step 5: Solve for x
    x = 5,392,179,419.21/82,923.12
  6. Step 6: Final answer
    x = 65,026.25

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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.