Home / 75,869.86-104,700.41-41,878.35

Finding the Fourth Proportional to 75,869.86, 104,700.41 and 41,878.35

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Solution

The fourth proportional to 75,869.86, 104,700.41 and 41,878.35 is: 57,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.86 : 104,700.41 = 41,878.35 : x
  2. Step 2: Convert to fraction form
    75,869.86/104,700.41 = 41,878.35/x
  3. Step 3: Cross multiply
    75,869.86x = 104,700.41 × 41,878.35
  4. Step 4: Simplify right side
    75,869.86x = 4,384,680,205.73
  5. Step 5: Solve for x
    x = 4,384,680,205.73/75,869.86
  6. Step 6: Final answer
    x = 57,792.13

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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.