Home / 80,638.34-111,284.68-44,828.90

Finding the Fourth Proportional to 80,638.34, 111,284.68 and 44,828.90

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Solution

The fourth proportional to 80,638.34, 111,284.68 and 44,828.90 is: 61,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.34 : 111,284.68 = 44,828.90 : x
  2. Step 2: Convert to fraction form
    80,638.34/111,284.68 = 44,828.90/x
  3. Step 3: Cross multiply
    80,638.34x = 111,284.68 × 44,828.90
  4. Step 4: Simplify right side
    80,638.34x = 4,988,769,791.25
  5. Step 5: Solve for x
    x = 4,988,769,791.25/80,638.34
  6. Step 6: Final answer
    x = 61,865.98

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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.