Home / 98,156.03-135,455.96-55,715.27

Finding the Fourth Proportional to 98,156.03, 135,455.96 and 55,715.27

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Solution

The fourth proportional to 98,156.03, 135,455.96 and 55,715.27 is: 76,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,156.03 : 135,455.96 = 55,715.27 : x
  2. Step 2: Convert to fraction form
    98,156.03/135,455.96 = 55,715.27/x
  3. Step 3: Cross multiply
    98,156.03x = 135,455.96 × 55,715.27
  4. Step 4: Simplify right side
    98,156.03x = 7,546,964,846.52
  5. Step 5: Solve for x
    x = 7,546,964,846.52/98,156.03
  6. Step 6: Final answer
    x = 76,887.43

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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.