Home / 98,126.24-135,431.89-57,837.65

Finding the Fourth Proportional to 98,126.24, 135,431.89 and 57,837.65

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Solution

The fourth proportional to 98,126.24, 135,431.89 and 57,837.65 is: 79,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,126.24 : 135,431.89 = 57,837.65 : x
  2. Step 2: Convert to fraction form
    98,126.24/135,431.89 = 57,837.65/x
  3. Step 3: Cross multiply
    98,126.24x = 135,431.89 × 57,837.65
  4. Step 4: Simplify right side
    98,126.24x = 7,833,062,446.64
  5. Step 5: Solve for x
    x = 7,833,062,446.64/98,126.24
  6. Step 6: Final answer
    x = 79,826.38

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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.