Home / 82,365.50-123,542.04-26,203.34

Finding the Fourth Proportional to 82,365.50, 123,542.04 and 26,203.34

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Solution

The fourth proportional to 82,365.50, 123,542.04 and 26,203.34 is: 39,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,365.50 : 123,542.04 = 26,203.34 : x
  2. Step 2: Convert to fraction form
    82,365.50/123,542.04 = 26,203.34/x
  3. Step 3: Cross multiply
    82,365.50x = 123,542.04 × 26,203.34
  4. Step 4: Simplify right side
    82,365.50x = 3,237,214,078.41
  5. Step 5: Solve for x
    x = 3,237,214,078.41/82,365.50
  6. Step 6: Final answer
    x = 39,303.03

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1.5x scale

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.