Home / 75,303.18-103,917.41-43,037.43

Finding the Fourth Proportional to 75,303.18, 103,917.41 and 43,037.43

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Solution

The fourth proportional to 75,303.18, 103,917.41 and 43,037.43 is: 59,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.18 : 103,917.41 = 43,037.43 : x
  2. Step 2: Convert to fraction form
    75,303.18/103,917.41 = 43,037.43/x
  3. Step 3: Cross multiply
    75,303.18x = 103,917.41 × 43,037.43
  4. Step 4: Simplify right side
    75,303.18x = 4,472,338,043.47
  5. Step 5: Solve for x
    x = 4,472,338,043.47/75,303.18
  6. Step 6: Final answer
    x = 59,391.09

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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.