Home / 56,755.35-78,310.44-32,880.60

Finding the Fourth Proportional to 56,755.35, 78,310.44 and 32,880.60

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Solution

The fourth proportional to 56,755.35, 78,310.44 and 32,880.60 is: 45,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.35 : 78,310.44 = 32,880.60 : x
  2. Step 2: Convert to fraction form
    56,755.35/78,310.44 = 32,880.60/x
  3. Step 3: Cross multiply
    56,755.35x = 78,310.44 × 32,880.60
  4. Step 4: Simplify right side
    56,755.35x = 2,574,894,253.46
  5. Step 5: Solve for x
    x = 2,574,894,253.46/56,755.35
  6. Step 6: Final answer
    x = 45,368.31

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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.