Home / 75,775.46-104,557.91-45,553.55

Finding the Fourth Proportional to 75,775.46, 104,557.91 and 45,553.55

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Solution

The fourth proportional to 75,775.46, 104,557.91 and 45,553.55 is: 62,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.46 : 104,557.91 = 45,553.55 : x
  2. Step 2: Convert to fraction form
    75,775.46/104,557.91 = 45,553.55/x
  3. Step 3: Cross multiply
    75,775.46x = 104,557.91 × 45,553.55
  4. Step 4: Simplify right side
    75,775.46x = 4,762,983,230.52
  5. Step 5: Solve for x
    x = 4,762,983,230.52/75,775.46
  6. Step 6: Final answer
    x = 62,856.54

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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.