Home / 81,995.08-122,714.58-50,424.94

Finding the Fourth Proportional to 81,995.08, 122,714.58 and 50,424.94

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Solution

The fourth proportional to 81,995.08, 122,714.58 and 50,424.94 is: 75,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,995.08 : 122,714.58 = 50,424.94 : x
  2. Step 2: Convert to fraction form
    81,995.08/122,714.58 = 50,424.94/x
  3. Step 3: Cross multiply
    81,995.08x = 122,714.58 × 50,424.94
  4. Step 4: Simplify right side
    81,995.08x = 6,187,875,333.63
  5. Step 5: Solve for x
    x = 6,187,875,333.63/81,995.08
  6. Step 6: Final answer
    x = 75,466.42

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1.5x scale

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.