Home / 81,890.60-113,011.20-46,081.88

Finding the Fourth Proportional to 81,890.60, 113,011.20 and 46,081.88

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Solution

The fourth proportional to 81,890.60, 113,011.20 and 46,081.88 is: 63,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890.60 : 113,011.20 = 46,081.88 : x
  2. Step 2: Convert to fraction form
    81,890.60/113,011.20 = 46,081.88/x
  3. Step 3: Cross multiply
    81,890.60x = 113,011.20 × 46,081.88
  4. Step 4: Simplify right side
    81,890.60x = 5,207,768,557.06
  5. Step 5: Solve for x
    x = 5,207,768,557.06/81,890.60
  6. Step 6: Final answer
    x = 63,594.22

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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.