Home / 56,766.32-78,305.54-32,889.75

Finding the Fourth Proportional to 56,766.32, 78,305.54 and 32,889.75

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Solution

The fourth proportional to 56,766.32, 78,305.54 and 32,889.75 is: 45,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.32 : 78,305.54 = 32,889.75 : x
  2. Step 2: Convert to fraction form
    56,766.32/78,305.54 = 32,889.75/x
  3. Step 3: Cross multiply
    56,766.32x = 78,305.54 × 32,889.75
  4. Step 4: Simplify right side
    56,766.32x = 2,575,449,176.12
  5. Step 5: Solve for x
    x = 2,575,449,176.12/56,766.32
  6. Step 6: Final answer
    x = 45,369.32

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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.