Home / 73,166.24-100,969.52-39,632.16

Finding the Fourth Proportional to 73,166.24, 100,969.52 and 39,632.16

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Solution

The fourth proportional to 73,166.24, 100,969.52 and 39,632.16 is: 54,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.24 : 100,969.52 = 39,632.16 : x
  2. Step 2: Convert to fraction form
    73,166.24/100,969.52 = 39,632.16/x
  3. Step 3: Cross multiply
    73,166.24x = 100,969.52 × 39,632.16
  4. Step 4: Simplify right side
    73,166.24x = 4,001,640,171.76
  5. Step 5: Solve for x
    x = 4,001,640,171.76/73,166.24
  6. Step 6: Final answer
    x = 54,692.44

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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.