Home / 81,268.74-112,148.82-45,460.26

Finding the Fourth Proportional to 81,268.74, 112,148.82 and 45,460.26

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Solution

The fourth proportional to 81,268.74, 112,148.82 and 45,460.26 is: 62,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,268.74 : 112,148.82 = 45,460.26 : x
  2. Step 2: Convert to fraction form
    81,268.74/112,148.82 = 45,460.26/x
  3. Step 3: Cross multiply
    81,268.74x = 112,148.82 × 45,460.26
  4. Step 4: Simplify right side
    81,268.74x = 5,098,314,515.89
  5. Step 5: Solve for x
    x = 5,098,314,515.89/81,268.74
  6. Step 6: Final answer
    x = 62,734.02

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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.