Home / 75,869.84-104,710.92-42,338

Finding the Fourth Proportional to 75,869.84, 104,710.92 and 42,338

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Solution

The fourth proportional to 75,869.84, 104,710.92 and 42,338 is: 58,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.84 : 104,710.92 = 42,338 : x
  2. Step 2: Convert to fraction form
    75,869.84/104,710.92 = 42,338/x
  3. Step 3: Cross multiply
    75,869.84x = 104,710.92 × 42,338
  4. Step 4: Simplify right side
    75,869.84x = 4,433,250,930.96
  5. Step 5: Solve for x
    x = 4,433,250,930.96/75,869.84
  6. Step 6: Final answer
    x = 58,432.32

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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.