Home / 75,464.15-113,032.20-45,830.30

Finding the Fourth Proportional to 75,464.15, 113,032.20 and 45,830.30

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Solution

The fourth proportional to 75,464.15, 113,032.20 and 45,830.30 is: 68,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.15 : 113,032.20 = 45,830.30 : x
  2. Step 2: Convert to fraction form
    75,464.15/113,032.20 = 45,830.30/x
  3. Step 3: Cross multiply
    75,464.15x = 113,032.20 × 45,830.30
  4. Step 4: Simplify right side
    75,464.15x = 5,180,299,635.66
  5. Step 5: Solve for x
    x = 5,180,299,635.66/75,464.15
  6. Step 6: Final answer
    x = 68,645.84

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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.