Home / 98,080.10-135,349.27-57,795.56

Finding the Fourth Proportional to 98,080.10, 135,349.27 and 57,795.56

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Solution

The fourth proportional to 98,080.10, 135,349.27 and 57,795.56 is: 79,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,080.10 : 135,349.27 = 57,795.56 : x
  2. Step 2: Convert to fraction form
    98,080.10/135,349.27 = 57,795.56/x
  3. Step 3: Cross multiply
    98,080.10x = 135,349.27 × 57,795.56
  4. Step 4: Simplify right side
    98,080.10x = 7,822,586,855.24
  5. Step 5: Solve for x
    x = 7,822,586,855.24/98,080.10
  6. Step 6: Final answer
    x = 79,757.13

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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.