Home / 96,315.37-144,277.21-78,609.13

Finding the Fourth Proportional to 96,315.37, 144,277.21 and 78,609.13

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Solution

The fourth proportional to 96,315.37, 144,277.21 and 78,609.13 is: 117,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,315.37 : 144,277.21 = 78,609.13 : x
  2. Step 2: Convert to fraction form
    96,315.37/144,277.21 = 78,609.13/x
  3. Step 3: Cross multiply
    96,315.37x = 144,277.21 × 78,609.13
  4. Step 4: Simplify right side
    96,315.37x = 11,341,505,956.93
  5. Step 5: Solve for x
    x = 11,341,505,956.93/96,315.37
  6. Step 6: Final answer
    x = 117,753.85

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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.