Home / 81,909.44-113,038.66-46,101.77

Finding the Fourth Proportional to 81,909.44, 113,038.66 and 46,101.77

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Solution

The fourth proportional to 81,909.44, 113,038.66 and 46,101.77 is: 63,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,909.44 : 113,038.66 = 46,101.77 : x
  2. Step 2: Convert to fraction form
    81,909.44/113,038.66 = 46,101.77/x
  3. Step 3: Cross multiply
    81,909.44x = 113,038.66 × 46,101.77
  4. Step 4: Simplify right side
    81,909.44x = 5,211,281,739.23
  5. Step 5: Solve for x
    x = 5,211,281,739.23/81,909.44
  6. Step 6: Final answer
    x = 63,622.48

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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.