Home / 80,448.19-111,018.49-44,638.45

Finding the Fourth Proportional to 80,448.19, 111,018.49 and 44,638.45

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Solution

The fourth proportional to 80,448.19, 111,018.49 and 44,638.45 is: 61,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448.19 : 111,018.49 = 44,638.45 : x
  2. Step 2: Convert to fraction form
    80,448.19/111,018.49 = 44,638.45/x
  3. Step 3: Cross multiply
    80,448.19x = 111,018.49 × 44,638.45
  4. Step 4: Simplify right side
    80,448.19x = 4,955,693,314.94
  5. Step 5: Solve for x
    x = 4,955,693,314.94/80,448.19
  6. Step 6: Final answer
    x = 61,601.05

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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.