Home / 75,424.77-104,101.20-43,603.92

Finding the Fourth Proportional to 75,424.77, 104,101.20 and 43,603.92

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Solution

The fourth proportional to 75,424.77, 104,101.20 and 43,603.92 is: 60,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.77 : 104,101.20 = 43,603.92 : x
  2. Step 2: Convert to fraction form
    75,424.77/104,101.20 = 43,603.92/x
  3. Step 3: Cross multiply
    75,424.77x = 104,101.20 × 43,603.92
  4. Step 4: Simplify right side
    75,424.77x = 4,539,220,396.70
  5. Step 5: Solve for x
    x = 4,539,220,396.70/75,424.77
  6. Step 6: Final answer
    x = 60,182.09

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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.