Home / 75,872.04-104,703.42-42,338.04

Finding the Fourth Proportional to 75,872.04, 104,703.42 and 42,338.04

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Solution

The fourth proportional to 75,872.04, 104,703.42 and 42,338.04 is: 58,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,872.04 : 104,703.42 = 42,338.04 : x
  2. Step 2: Convert to fraction form
    75,872.04/104,703.42 = 42,338.04/x
  3. Step 3: Cross multiply
    75,872.04x = 104,703.42 × 42,338.04
  4. Step 4: Simplify right side
    75,872.04x = 4,432,937,584.10
  5. Step 5: Solve for x
    x = 4,432,937,584.10/75,872.04
  6. Step 6: Final answer
    x = 58,426.50

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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.