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Finding the Fourth Proportional to 45,762.97, 68,749.47 and 32,468.75

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Solution

The fourth proportional to 45,762.97, 68,749.47 and 32,468.75 is: 48,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,762.97 : 68,749.47 = 32,468.75 : x
  2. Step 2: Convert to fraction form
    45,762.97/68,749.47 = 32,468.75/x
  3. Step 3: Cross multiply
    45,762.97x = 68,749.47 × 32,468.75
  4. Step 4: Simplify right side
    45,762.97x = 2,232,208,847.97
  5. Step 5: Solve for x
    x = 2,232,208,847.97/45,762.97
  6. Step 6: Final answer
    x = 48,777.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.