Home / 95,163.15-131,315.53-56,915.11

Finding the Fourth Proportional to 95,163.15, 131,315.53 and 56,915.11

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Solution

The fourth proportional to 95,163.15, 131,315.53 and 56,915.11 is: 78,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,163.15 : 131,315.53 = 56,915.11 : x
  2. Step 2: Convert to fraction form
    95,163.15/131,315.53 = 56,915.11/x
  3. Step 3: Cross multiply
    95,163.15x = 131,315.53 × 56,915.11
  4. Step 4: Simplify right side
    95,163.15x = 7,473,837,224.58
  5. Step 5: Solve for x
    x = 7,473,837,224.58/95,163.15
  6. Step 6: Final answer
    x = 78,537.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.