Home / 98,293.75-135,648.26-55,854.07

Finding the Fourth Proportional to 98,293.75, 135,648.26 and 55,854.07

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Solution

The fourth proportional to 98,293.75, 135,648.26 and 55,854.07 is: 77,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.75 : 135,648.26 = 55,854.07 : x
  2. Step 2: Convert to fraction form
    98,293.75/135,648.26 = 55,854.07/x
  3. Step 3: Cross multiply
    98,293.75x = 135,648.26 × 55,854.07
  4. Step 4: Simplify right side
    98,293.75x = 7,576,507,409.42
  5. Step 5: Solve for x
    x = 7,576,507,409.42/98,293.75
  6. Step 6: Final answer
    x = 77,080.26

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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.