Home / 112,650.96-155,447.79-67,319.94

Finding the Fourth Proportional to 112,650.96, 155,447.79 and 67,319.94

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Solution

The fourth proportional to 112,650.96, 155,447.79 and 67,319.94 is: 92,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650.96 : 155,447.79 = 67,319.94 : x
  2. Step 2: Convert to fraction form
    112,650.96/155,447.79 = 67,319.94/x
  3. Step 3: Cross multiply
    112,650.96x = 155,447.79 × 67,319.94
  4. Step 4: Simplify right side
    112,650.96x = 10,464,735,895.93
  5. Step 5: Solve for x
    x = 10,464,735,895.93/112,650.96
  6. Step 6: Final answer
    x = 92,895.22

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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.