Home / 86,940.98-119,983.05-48,698.28

Finding the Fourth Proportional to 86,940.98, 119,983.05 and 48,698.28

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Solution

The fourth proportional to 86,940.98, 119,983.05 and 48,698.28 is: 67,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940.98 : 119,983.05 = 48,698.28 : x
  2. Step 2: Convert to fraction form
    86,940.98/119,983.05 = 48,698.28/x
  3. Step 3: Cross multiply
    86,940.98x = 119,983.05 × 48,698.28
  4. Step 4: Simplify right side
    86,940.98x = 5,842,968,164.15
  5. Step 5: Solve for x
    x = 5,842,968,164.15/86,940.98
  6. Step 6: Final answer
    x = 67,206.15

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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.