Home / 75,916.89-113,944.45-40,408.04

Finding the Fourth Proportional to 75,916.89, 113,944.45 and 40,408.04

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Solution

The fourth proportional to 75,916.89, 113,944.45 and 40,408.04 is: 60,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.89 : 113,944.45 = 40,408.04 : x
  2. Step 2: Convert to fraction form
    75,916.89/113,944.45 = 40,408.04/x
  3. Step 3: Cross multiply
    75,916.89x = 113,944.45 × 40,408.04
  4. Step 4: Simplify right side
    75,916.89x = 4,604,271,323.66
  5. Step 5: Solve for x
    x = 4,604,271,323.66/75,916.89
  6. Step 6: Final answer
    x = 60,648.84

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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.