Home / 79,555.88-109,787.13-43,748.34

Finding the Fourth Proportional to 79,555.88, 109,787.13 and 43,748.34

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Solution

The fourth proportional to 79,555.88, 109,787.13 and 43,748.34 is: 60,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.88 : 109,787.13 = 43,748.34 : x
  2. Step 2: Convert to fraction form
    79,555.88/109,787.13 = 43,748.34/x
  3. Step 3: Cross multiply
    79,555.88x = 109,787.13 × 43,748.34
  4. Step 4: Simplify right side
    79,555.88x = 4,803,004,690.86
  5. Step 5: Solve for x
    x = 4,803,004,690.86/79,555.88
  6. Step 6: Final answer
    x = 60,372.72

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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.