Home / 84,634.56-126,813.32-51,364.82

Finding the Fourth Proportional to 84,634.56, 126,813.32 and 51,364.82

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Solution

The fourth proportional to 84,634.56, 126,813.32 and 51,364.82 is: 76,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.56 : 126,813.32 = 51,364.82 : x
  2. Step 2: Convert to fraction form
    84,634.56/126,813.32 = 51,364.82/x
  3. Step 3: Cross multiply
    84,634.56x = 126,813.32 × 51,364.82
  4. Step 4: Simplify right side
    84,634.56x = 6,513,742,464.51
  5. Step 5: Solve for x
    x = 6,513,742,464.51/84,634.56
  6. Step 6: Final answer
    x = 76,963.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.