Home / 75,384.18-104,043.60-56,359.44

Finding the Fourth Proportional to 75,384.18, 104,043.60 and 56,359.44

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Solution

The fourth proportional to 75,384.18, 104,043.60 and 56,359.44 is: 77,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.18 : 104,043.60 = 56,359.44 : x
  2. Step 2: Convert to fraction form
    75,384.18/104,043.60 = 56,359.44/x
  3. Step 3: Cross multiply
    75,384.18x = 104,043.60 × 56,359.44
  4. Step 4: Simplify right side
    75,384.18x = 5,863,839,031.58
  5. Step 5: Solve for x
    x = 5,863,839,031.58/75,384.18
  6. Step 6: Final answer
    x = 77,786.07

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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.