Home / 81,244.75-112,116.81-45,434.43

Finding the Fourth Proportional to 81,244.75, 112,116.81 and 45,434.43

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Solution

The fourth proportional to 81,244.75, 112,116.81 and 45,434.43 is: 62,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.75 : 112,116.81 = 45,434.43 : x
  2. Step 2: Convert to fraction form
    81,244.75/112,116.81 = 45,434.43/x
  3. Step 3: Cross multiply
    81,244.75x = 112,116.81 × 45,434.43
  4. Step 4: Simplify right side
    81,244.75x = 5,093,963,355.77
  5. Step 5: Solve for x
    x = 5,093,963,355.77/81,244.75
  6. Step 6: Final answer
    x = 62,698.98

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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.