Home / 81,401.40-112,313.56-46,956.64

Finding the Fourth Proportional to 81,401.40, 112,313.56 and 46,956.64

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Solution

The fourth proportional to 81,401.40, 112,313.56 and 46,956.64 is: 64,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,401.40 : 112,313.56 = 46,956.64 : x
  2. Step 2: Convert to fraction form
    81,401.40/112,313.56 = 46,956.64/x
  3. Step 3: Cross multiply
    81,401.40x = 112,313.56 × 46,956.64
  4. Step 4: Simplify right side
    81,401.40x = 5,273,867,404.04
  5. Step 5: Solve for x
    x = 5,273,867,404.04/81,401.40
  6. Step 6: Final answer
    x = 64,788.41

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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.