Home / 75,384.43-104,043.95-56,359.69

Finding the Fourth Proportional to 75,384.43, 104,043.95 and 56,359.69

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Solution

The fourth proportional to 75,384.43, 104,043.95 and 56,359.69 is: 77,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.43 : 104,043.95 = 56,359.69 : x
  2. Step 2: Convert to fraction form
    75,384.43/104,043.95 = 56,359.69/x
  3. Step 3: Cross multiply
    75,384.43x = 104,043.95 × 56,359.69
  4. Step 4: Simplify right side
    75,384.43x = 5,863,884,486.58
  5. Step 5: Solve for x
    x = 5,863,884,486.58/75,384.43
  6. Step 6: Final answer
    x = 77,786.41

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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.