Home / 94,774.89-130,633.41-67,188.72

Finding the Fourth Proportional to 94,774.89, 130,633.41 and 67,188.72

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Solution

The fourth proportional to 94,774.89, 130,633.41 and 67,188.72 is: 92,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,774.89 : 130,633.41 = 67,188.72 : x
  2. Step 2: Convert to fraction form
    94,774.89/130,633.41 = 67,188.72/x
  3. Step 3: Cross multiply
    94,774.89x = 130,633.41 × 67,188.72
  4. Step 4: Simplify right side
    94,774.89x = 8,777,091,607.14
  5. Step 5: Solve for x
    x = 8,777,091,607.14/94,774.89
  6. Step 6: Final answer
    x = 92,609.88

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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.