Home / 75,469.02-113,153.85-42,238.14

Finding the Fourth Proportional to 75,469.02, 113,153.85 and 42,238.14

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Solution

The fourth proportional to 75,469.02, 113,153.85 and 42,238.14 is: 63,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.02 : 113,153.85 = 42,238.14 : x
  2. Step 2: Convert to fraction form
    75,469.02/113,153.85 = 42,238.14/x
  3. Step 3: Cross multiply
    75,469.02x = 113,153.85 × 42,238.14
  4. Step 4: Simplify right side
    75,469.02x = 4,779,408,157.84
  5. Step 5: Solve for x
    x = 4,779,408,157.84/75,469.02
  6. Step 6: Final answer
    x = 63,329.41

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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.