Home / 80,465.42-120,605.24-59,087.90

Finding the Fourth Proportional to 80,465.42, 120,605.24 and 59,087.90

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Solution

The fourth proportional to 80,465.42, 120,605.24 and 59,087.90 is: 88,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.42 : 120,605.24 = 59,087.90 : x
  2. Step 2: Convert to fraction form
    80,465.42/120,605.24 = 59,087.90/x
  3. Step 3: Cross multiply
    80,465.42x = 120,605.24 × 59,087.90
  4. Step 4: Simplify right side
    80,465.42x = 7,126,310,360.60
  5. Step 5: Solve for x
    x = 7,126,310,360.60/80,465.42
  6. Step 6: Final answer
    x = 88,563.64

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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.