Home / 98,433.42-135,903.48-75,732.36

Finding the Fourth Proportional to 98,433.42, 135,903.48 and 75,732.36

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Solution

The fourth proportional to 98,433.42, 135,903.48 and 75,732.36 is: 104,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.42 : 135,903.48 = 75,732.36 : x
  2. Step 2: Convert to fraction form
    98,433.42/135,903.48 = 75,732.36/x
  3. Step 3: Cross multiply
    98,433.42x = 135,903.48 × 75,732.36
  4. Step 4: Simplify right side
    98,433.42x = 10,292,291,272.61
  5. Step 5: Solve for x
    x = 10,292,291,272.61/98,433.42
  6. Step 6: Final answer
    x = 104,560.94

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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.