Home / 81,919.48-113,026.26-46,107.40

Finding the Fourth Proportional to 81,919.48, 113,026.26 and 46,107.40

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Solution

The fourth proportional to 81,919.48, 113,026.26 and 46,107.40 is: 63,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,919.48 : 113,026.26 = 46,107.40 : x
  2. Step 2: Convert to fraction form
    81,919.48/113,026.26 = 46,107.40/x
  3. Step 3: Cross multiply
    81,919.48x = 113,026.26 × 46,107.40
  4. Step 4: Simplify right side
    81,919.48x = 5,211,346,980.32
  5. Step 5: Solve for x
    x = 5,211,346,980.32/81,919.48
  6. Step 6: Final answer
    x = 63,615.48

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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.