Home / 82,048.32-122,986.08-42,563.52

Finding the Fourth Proportional to 82,048.32, 122,986.08 and 42,563.52

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Solution

The fourth proportional to 82,048.32, 122,986.08 and 42,563.52 is: 63,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,048.32 : 122,986.08 = 42,563.52 : x
  2. Step 2: Convert to fraction form
    82,048.32/122,986.08 = 42,563.52/x
  3. Step 3: Cross multiply
    82,048.32x = 122,986.08 × 42,563.52
  4. Step 4: Simplify right side
    82,048.32x = 5,234,720,475.80
  5. Step 5: Solve for x
    x = 5,234,720,475.80/82,048.32
  6. Step 6: Final answer
    x = 63,800.46

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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.