Home / 98,090.38-135,355.37-55,060.01

Finding the Fourth Proportional to 98,090.38, 135,355.37 and 55,060.01

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Solution

The fourth proportional to 98,090.38, 135,355.37 and 55,060.01 is: 75,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.38 : 135,355.37 = 55,060.01 : x
  2. Step 2: Convert to fraction form
    98,090.38/135,355.37 = 55,060.01/x
  3. Step 3: Cross multiply
    98,090.38x = 135,355.37 × 55,060.01
  4. Step 4: Simplify right side
    98,090.38x = 7,452,668,088.84
  5. Step 5: Solve for x
    x = 7,452,668,088.84/98,090.38
  6. Step 6: Final answer
    x = 75,977.57

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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.