Home / 80,852.13-111,579.39-45,042.09

Finding the Fourth Proportional to 80,852.13, 111,579.39 and 45,042.09

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Solution

The fourth proportional to 80,852.13, 111,579.39 and 45,042.09 is: 62,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852.13 : 111,579.39 = 45,042.09 : x
  2. Step 2: Convert to fraction form
    80,852.13/111,579.39 = 45,042.09/x
  3. Step 3: Cross multiply
    80,852.13x = 111,579.39 × 45,042.09
  4. Step 4: Simplify right side
    80,852.13x = 5,025,768,926.53
  5. Step 5: Solve for x
    x = 5,025,768,926.53/80,852.13
  6. Step 6: Final answer
    x = 62,160.01

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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.