Home / 80,505.18-111,092.16-44,693.05

Finding the Fourth Proportional to 80,505.18, 111,092.16 and 44,693.05

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Solution

The fourth proportional to 80,505.18, 111,092.16 and 44,693.05 is: 61,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,505.18 : 111,092.16 = 44,693.05 : x
  2. Step 2: Convert to fraction form
    80,505.18/111,092.16 = 44,693.05/x
  3. Step 3: Cross multiply
    80,505.18x = 111,092.16 × 44,693.05
  4. Step 4: Simplify right side
    80,505.18x = 4,965,047,461.49
  5. Step 5: Solve for x
    x = 4,965,047,461.49/80,505.18
  6. Step 6: Final answer
    x = 61,673.64

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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.