Home / 81,661.96-112,692.18-45,852.04

Finding the Fourth Proportional to 81,661.96, 112,692.18 and 45,852.04

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Solution

The fourth proportional to 81,661.96, 112,692.18 and 45,852.04 is: 63,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661.96 : 112,692.18 = 45,852.04 : x
  2. Step 2: Convert to fraction form
    81,661.96/112,692.18 = 45,852.04/x
  3. Step 3: Cross multiply
    81,661.96x = 112,692.18 × 45,852.04
  4. Step 4: Simplify right side
    81,661.96x = 5,167,166,345.05
  5. Step 5: Solve for x
    x = 5,167,166,345.05/81,661.96
  6. Step 6: Final answer
    x = 63,275.07

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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.