Home / 81,899.14-113,020.44-46,089.76

Finding the Fourth Proportional to 81,899.14, 113,020.44 and 46,089.76

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Solution

The fourth proportional to 81,899.14, 113,020.44 and 46,089.76 is: 63,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,899.14 : 113,020.44 = 46,089.76 : x
  2. Step 2: Convert to fraction form
    81,899.14/113,020.44 = 46,089.76/x
  3. Step 3: Cross multiply
    81,899.14x = 113,020.44 × 46,089.76
  4. Step 4: Simplify right side
    81,899.14x = 5,209,084,954.69
  5. Step 5: Solve for x
    x = 5,209,084,954.69/81,899.14
  6. Step 6: Final answer
    x = 63,603.66

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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.