Home / 96,129.12-143,909.70-71,002.32

Finding the Fourth Proportional to 96,129.12, 143,909.70 and 71,002.32

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Solution

The fourth proportional to 96,129.12, 143,909.70 and 71,002.32 is: 106,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,129.12 : 143,909.70 = 71,002.32 : x
  2. Step 2: Convert to fraction form
    96,129.12/143,909.70 = 71,002.32/x
  3. Step 3: Cross multiply
    96,129.12x = 143,909.70 × 71,002.32
  4. Step 4: Simplify right side
    96,129.12x = 10,217,922,570.50
  5. Step 5: Solve for x
    x = 10,217,922,570.50/96,129.12
  6. Step 6: Final answer
    x = 106,293.73

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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.