Home / 80,533.74-111,138.05-44,727.09

Finding the Fourth Proportional to 80,533.74, 111,138.05 and 44,727.09

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Solution

The fourth proportional to 80,533.74, 111,138.05 and 44,727.09 is: 61,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,533.74 : 111,138.05 = 44,727.09 : x
  2. Step 2: Convert to fraction form
    80,533.74/111,138.05 = 44,727.09/x
  3. Step 3: Cross multiply
    80,533.74x = 111,138.05 × 44,727.09
  4. Step 4: Simplify right side
    80,533.74x = 4,970,881,341.14
  5. Step 5: Solve for x
    x = 4,970,881,341.14/80,533.74
  6. Step 6: Final answer
    x = 61,724.21

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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.