Home / 98,189.76-135,507.18-57,927.12

Finding the Fourth Proportional to 98,189.76, 135,507.18 and 57,927.12

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Solution

The fourth proportional to 98,189.76, 135,507.18 and 57,927.12 is: 79,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,189.76 : 135,507.18 = 57,927.12 : x
  2. Step 2: Convert to fraction form
    98,189.76/135,507.18 = 57,927.12/x
  3. Step 3: Cross multiply
    98,189.76x = 135,507.18 × 57,927.12
  4. Step 4: Simplify right side
    98,189.76x = 7,849,540,676.72
  5. Step 5: Solve for x
    x = 7,849,540,676.72/98,189.76
  6. Step 6: Final answer
    x = 79,942.56

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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.