Home / 94,132.20-129,836.88-79,886.94

Finding the Fourth Proportional to 94,132.20, 129,836.88 and 79,886.94

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Solution

The fourth proportional to 94,132.20, 129,836.88 and 79,886.94 is: 110,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,132.20 : 129,836.88 = 79,886.94 : x
  2. Step 2: Convert to fraction form
    94,132.20/129,836.88 = 79,886.94/x
  3. Step 3: Cross multiply
    94,132.20x = 129,836.88 × 79,886.94
  4. Step 4: Simplify right side
    94,132.20x = 10,372,271,042.35
  5. Step 5: Solve for x
    x = 10,372,271,042.35/94,132.20
  6. Step 6: Final answer
    x = 110,188.34

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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.