Home / 84,140.83-126,183.93-27,965.83

Finding the Fourth Proportional to 84,140.83, 126,183.93 and 27,965.83

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Solution

The fourth proportional to 84,140.83, 126,183.93 and 27,965.83 is: 41,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,140.83 : 126,183.93 = 27,965.83 : x
  2. Step 2: Convert to fraction form
    84,140.83/126,183.93 = 27,965.83/x
  3. Step 3: Cross multiply
    84,140.83x = 126,183.93 × 27,965.83
  4. Step 4: Simplify right side
    84,140.83x = 3,528,838,335.11
  5. Step 5: Solve for x
    x = 3,528,838,335.11/84,140.83
  6. Step 6: Final answer
    x = 41,939.67

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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.