Home / 75,868.84-104,709.54-42,337

Finding the Fourth Proportional to 75,868.84, 104,709.54 and 42,337

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Solution

The fourth proportional to 75,868.84, 104,709.54 and 42,337 is: 58,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.84 : 104,709.54 = 42,337 : x
  2. Step 2: Convert to fraction form
    75,868.84/104,709.54 = 42,337/x
  3. Step 3: Cross multiply
    75,868.84x = 104,709.54 × 42,337
  4. Step 4: Simplify right side
    75,868.84x = 4,433,087,794.98
  5. Step 5: Solve for x
    x = 4,433,087,794.98/75,868.84
  6. Step 6: Final answer
    x = 58,430.94

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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.