Home / 90,433.55-135,676.85-40,502.52

Finding the Fourth Proportional to 90,433.55, 135,676.85 and 40,502.52

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Solution

The fourth proportional to 90,433.55, 135,676.85 and 40,502.52 is: 60,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,433.55 : 135,676.85 = 40,502.52 : x
  2. Step 2: Convert to fraction form
    90,433.55/135,676.85 = 40,502.52/x
  3. Step 3: Cross multiply
    90,433.55x = 135,676.85 × 40,502.52
  4. Step 4: Simplify right side
    90,433.55x = 5,495,254,128.15
  5. Step 5: Solve for x
    x = 5,495,254,128.15/90,433.55
  6. Step 6: Final answer
    x = 60,765.66

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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.