Home / 98,110.74-135,391.10-55,090.57

Finding the Fourth Proportional to 98,110.74, 135,391.10 and 55,090.57

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Solution

The fourth proportional to 98,110.74, 135,391.10 and 55,090.57 is: 76,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.74 : 135,391.10 = 55,090.57 : x
  2. Step 2: Convert to fraction form
    98,110.74/135,391.10 = 55,090.57/x
  3. Step 3: Cross multiply
    98,110.74x = 135,391.10 × 55,090.57
  4. Step 4: Simplify right side
    98,110.74x = 7,458,773,526.85
  5. Step 5: Solve for x
    x = 7,458,773,526.85/98,110.74
  6. Step 6: Final answer
    x = 76,024.02

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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.