Home / 81,898.40-113,010.52-46,087.64

Finding the Fourth Proportional to 81,898.40, 113,010.52 and 46,087.64

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Solution

The fourth proportional to 81,898.40, 113,010.52 and 46,087.64 is: 63,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,898.40 : 113,010.52 = 46,087.64 : x
  2. Step 2: Convert to fraction form
    81,898.40/113,010.52 = 46,087.64/x
  3. Step 3: Cross multiply
    81,898.40x = 113,010.52 × 46,087.64
  4. Step 4: Simplify right side
    81,898.40x = 5,208,388,161.97
  5. Step 5: Solve for x
    x = 5,208,388,161.97/81,898.40
  6. Step 6: Final answer
    x = 63,595.73

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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.