Home / 98,275.20-135,619.82-55,833.80

Finding the Fourth Proportional to 98,275.20, 135,619.82 and 55,833.80

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Solution

The fourth proportional to 98,275.20, 135,619.82 and 55,833.80 is: 77,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,275.20 : 135,619.82 = 55,833.80 : x
  2. Step 2: Convert to fraction form
    98,275.20/135,619.82 = 55,833.80/x
  3. Step 3: Cross multiply
    98,275.20x = 135,619.82 × 55,833.80
  4. Step 4: Simplify right side
    98,275.20x = 7,572,169,905.92
  5. Step 5: Solve for x
    x = 7,572,169,905.92/98,275.20
  6. Step 6: Final answer
    x = 77,050.67

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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.