Home / 75,752.82-104,539.41-42,220.98

Finding the Fourth Proportional to 75,752.82, 104,539.41 and 42,220.98

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Solution

The fourth proportional to 75,752.82, 104,539.41 and 42,220.98 is: 58,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.82 : 104,539.41 = 42,220.98 : x
  2. Step 2: Convert to fraction form
    75,752.82/104,539.41 = 42,220.98/x
  3. Step 3: Cross multiply
    75,752.82x = 104,539.41 × 42,220.98
  4. Step 4: Simplify right side
    75,752.82x = 4,413,756,338.82
  5. Step 5: Solve for x
    x = 4,413,756,338.82/75,752.82
  6. Step 6: Final answer
    x = 58,265.24

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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.