Home / 83,493.32-115,170.26-49,490.93

Finding the Fourth Proportional to 83,493.32, 115,170.26 and 49,490.93

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Solution

The fourth proportional to 83,493.32, 115,170.26 and 49,490.93 is: 68,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,493.32 : 115,170.26 = 49,490.93 : x
  2. Step 2: Convert to fraction form
    83,493.32/115,170.26 = 49,490.93/x
  3. Step 3: Cross multiply
    83,493.32x = 115,170.26 × 49,490.93
  4. Step 4: Simplify right side
    83,493.32x = 5,699,883,316.21
  5. Step 5: Solve for x
    x = 5,699,883,316.21/83,493.32
  6. Step 6: Final answer
    x = 68,267.54

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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.