Home / 81,948.87-113,092.47-45,653.58

Finding the Fourth Proportional to 81,948.87, 113,092.47 and 45,653.58

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Solution

The fourth proportional to 81,948.87, 113,092.47 and 45,653.58 is: 63,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.87 : 113,092.47 = 45,653.58 : x
  2. Step 2: Convert to fraction form
    81,948.87/113,092.47 = 45,653.58/x
  3. Step 3: Cross multiply
    81,948.87x = 113,092.47 × 45,653.58
  4. Step 4: Simplify right side
    81,948.87x = 5,163,076,126.54
  5. Step 5: Solve for x
    x = 5,163,076,126.54/81,948.87
  6. Step 6: Final answer
    x = 63,003.63

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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.