Home / 75,573.72-104,280.21-45,352.44

Finding the Fourth Proportional to 75,573.72, 104,280.21 and 45,352.44

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Solution

The fourth proportional to 75,573.72, 104,280.21 and 45,352.44 is: 62,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.72 : 104,280.21 = 45,352.44 : x
  2. Step 2: Convert to fraction form
    75,573.72/104,280.21 = 45,352.44/x
  3. Step 3: Cross multiply
    75,573.72x = 104,280.21 × 45,352.44
  4. Step 4: Simplify right side
    75,573.72x = 4,729,361,967.21
  5. Step 5: Solve for x
    x = 4,729,361,967.21/75,573.72
  6. Step 6: Final answer
    x = 62,579.45

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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.