Home / 75,617.75-104,352.50-42,083.75

Finding the Fourth Proportional to 75,617.75, 104,352.50 and 42,083.75

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Solution

The fourth proportional to 75,617.75, 104,352.50 and 42,083.75 is: 58,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,617.75 : 104,352.50 = 42,083.75 : x
  2. Step 2: Convert to fraction form
    75,617.75/104,352.50 = 42,083.75/x
  3. Step 3: Cross multiply
    75,617.75x = 104,352.50 × 42,083.75
  4. Step 4: Simplify right side
    75,617.75x = 4,391,544,521.88
  5. Step 5: Solve for x
    x = 4,391,544,521.88/75,617.75
  6. Step 6: Final answer
    x = 58,075.58

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1.5x scale

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.