Home / 82,739.15-114,176.43-45,943.08

Finding the Fourth Proportional to 82,739.15, 114,176.43 and 45,943.08

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Solution

The fourth proportional to 82,739.15, 114,176.43 and 45,943.08 is: 63,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739.15 : 114,176.43 = 45,943.08 : x
  2. Step 2: Convert to fraction form
    82,739.15/114,176.43 = 45,943.08/x
  3. Step 3: Cross multiply
    82,739.15x = 114,176.43 × 45,943.08
  4. Step 4: Simplify right side
    82,739.15x = 5,245,616,857.60
  5. Step 5: Solve for x
    x = 5,245,616,857.60/82,739.15
  6. Step 6: Final answer
    x = 63,399.45

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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.