Home / 75,122.84-103,665.58-41,124.81

Finding the Fourth Proportional to 75,122.84, 103,665.58 and 41,124.81

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Solution

The fourth proportional to 75,122.84, 103,665.58 and 41,124.81 is: 56,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.84 : 103,665.58 = 41,124.81 : x
  2. Step 2: Convert to fraction form
    75,122.84/103,665.58 = 41,124.81/x
  3. Step 3: Cross multiply
    75,122.84x = 103,665.58 × 41,124.81
  4. Step 4: Simplify right side
    75,122.84x = 4,263,227,566.97
  5. Step 5: Solve for x
    x = 4,263,227,566.97/75,122.84
  6. Step 6: Final answer
    x = 56,750.08

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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.