Home / 76,028.58-104,918.79-42,037.95

Finding the Fourth Proportional to 76,028.58, 104,918.79 and 42,037.95

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Solution

The fourth proportional to 76,028.58, 104,918.79 and 42,037.95 is: 58,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,028.58 : 104,918.79 = 42,037.95 : x
  2. Step 2: Convert to fraction form
    76,028.58/104,918.79 = 42,037.95/x
  3. Step 3: Cross multiply
    76,028.58x = 104,918.79 × 42,037.95
  4. Step 4: Simplify right side
    76,028.58x = 4,410,570,848.08
  5. Step 5: Solve for x
    x = 4,410,570,848.08/76,028.58
  6. Step 6: Final answer
    x = 58,012.01

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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.