Home / 80,649.10-111,289.44-44,836.94

Finding the Fourth Proportional to 80,649.10, 111,289.44 and 44,836.94

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Solution

The fourth proportional to 80,649.10, 111,289.44 and 44,836.94 is: 61,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.10 : 111,289.44 = 44,836.94 : x
  2. Step 2: Convert to fraction form
    80,649.10/111,289.44 = 44,836.94/x
  3. Step 3: Cross multiply
    80,649.10x = 111,289.44 × 44,836.94
  4. Step 4: Simplify right side
    80,649.10x = 4,989,877,943.91
  5. Step 5: Solve for x
    x = 4,989,877,943.91/80,649.10
  6. Step 6: Final answer
    x = 61,871.46

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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.