Home / 92,037.12-126,697.80-68,118.72

Finding the Fourth Proportional to 92,037.12, 126,697.80 and 68,118.72

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Solution

The fourth proportional to 92,037.12, 126,697.80 and 68,118.72 is: 93,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,037.12 : 126,697.80 = 68,118.72 : x
  2. Step 2: Convert to fraction form
    92,037.12/126,697.80 = 68,118.72/x
  3. Step 3: Cross multiply
    92,037.12x = 126,697.80 × 68,118.72
  4. Step 4: Simplify right side
    92,037.12x = 8,630,491,962.82
  5. Step 5: Solve for x
    x = 8,630,491,962.82/92,037.12
  6. Step 6: Final answer
    x = 93,771.86

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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.