Home / 75,298.02-103,893.83-45,071.85

Finding the Fourth Proportional to 75,298.02, 103,893.83 and 45,071.85

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Solution

The fourth proportional to 75,298.02, 103,893.83 and 45,071.85 is: 62,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.02 : 103,893.83 = 45,071.85 : x
  2. Step 2: Convert to fraction form
    75,298.02/103,893.83 = 45,071.85/x
  3. Step 3: Cross multiply
    75,298.02x = 103,893.83 × 45,071.85
  4. Step 4: Simplify right side
    75,298.02x = 4,682,686,896.33
  5. Step 5: Solve for x
    x = 4,682,686,896.33/75,298.02
  6. Step 6: Final answer
    x = 62,188.71

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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.