Home / 98,002.58-135,239.73-55,560.20

Finding the Fourth Proportional to 98,002.58, 135,239.73 and 55,560.20

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Solution

The fourth proportional to 98,002.58, 135,239.73 and 55,560.20 is: 76,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,002.58 : 135,239.73 = 55,560.20 : x
  2. Step 2: Convert to fraction form
    98,002.58/135,239.73 = 55,560.20/x
  3. Step 3: Cross multiply
    98,002.58x = 135,239.73 × 55,560.20
  4. Step 4: Simplify right side
    98,002.58x = 7,513,945,562.20
  5. Step 5: Solve for x
    x = 7,513,945,562.20/98,002.58
  6. Step 6: Final answer
    x = 76,670.90

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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.