Home / 81,911.19-113,041.08-46,103.52

Finding the Fourth Proportional to 81,911.19, 113,041.08 and 46,103.52

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Solution

The fourth proportional to 81,911.19, 113,041.08 and 46,103.52 is: 63,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,911.19 : 113,041.08 = 46,103.52 : x
  2. Step 2: Convert to fraction form
    81,911.19/113,041.08 = 46,103.52/x
  3. Step 3: Cross multiply
    81,911.19x = 113,041.08 × 46,103.52
  4. Step 4: Simplify right side
    81,911.19x = 5,211,591,692.60
  5. Step 5: Solve for x
    x = 5,211,591,692.60/81,911.19
  6. Step 6: Final answer
    x = 63,624.91

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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.