Home / 92,420.08-138,691.64-50,310.79

Finding the Fourth Proportional to 92,420.08, 138,691.64 and 50,310.79

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Solution

The fourth proportional to 92,420.08, 138,691.64 and 50,310.79 is: 75,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.08 : 138,691.64 = 50,310.79 : x
  2. Step 2: Convert to fraction form
    92,420.08/138,691.64 = 50,310.79/x
  3. Step 3: Cross multiply
    92,420.08x = 138,691.64 × 50,310.79
  4. Step 4: Simplify right side
    92,420.08x = 6,977,685,753.84
  5. Step 5: Solve for x
    x = 6,977,685,753.84/92,420.08
  6. Step 6: Final answer
    x = 75,499.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.