Home / 98,776.22-136,310.13-53,453.21

Finding the Fourth Proportional to 98,776.22, 136,310.13 and 53,453.21

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Solution

The fourth proportional to 98,776.22, 136,310.13 and 53,453.21 is: 73,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.22 : 136,310.13 = 53,453.21 : x
  2. Step 2: Convert to fraction form
    98,776.22/136,310.13 = 53,453.21/x
  3. Step 3: Cross multiply
    98,776.22x = 136,310.13 × 53,453.21
  4. Step 4: Simplify right side
    98,776.22x = 7,286,214,004.02
  5. Step 5: Solve for x
    x = 7,286,214,004.02/98,776.22
  6. Step 6: Final answer
    x = 73,764.86

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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.