Home / 82,803.36-114,265.20-45,077.64

Finding the Fourth Proportional to 82,803.36, 114,265.20 and 45,077.64

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Solution

The fourth proportional to 82,803.36, 114,265.20 and 45,077.64 is: 62,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,803.36 : 114,265.20 = 45,077.64 : x
  2. Step 2: Convert to fraction form
    82,803.36/114,265.20 = 45,077.64/x
  3. Step 3: Cross multiply
    82,803.36x = 114,265.20 × 45,077.64
  4. Step 4: Simplify right side
    82,803.36x = 5,150,805,550.13
  5. Step 5: Solve for x
    x = 5,150,805,550.13/82,803.36
  6. Step 6: Final answer
    x = 62,205.27

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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.