Home / 80,551.77-111,161.45-44,745.11

Finding the Fourth Proportional to 80,551.77, 111,161.45 and 44,745.11

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Solution

The fourth proportional to 80,551.77, 111,161.45 and 44,745.11 is: 61,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.77 : 111,161.45 = 44,745.11 : x
  2. Step 2: Convert to fraction form
    80,551.77/111,161.45 = 44,745.11/x
  3. Step 3: Cross multiply
    80,551.77x = 111,161.45 × 44,745.11
  4. Step 4: Simplify right side
    80,551.77x = 4,973,931,308.01
  5. Step 5: Solve for x
    x = 4,973,931,308.01/80,551.77
  6. Step 6: Final answer
    x = 61,748.26

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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.