Home / 98,049.48-135,305.64-55,607.10

Finding the Fourth Proportional to 98,049.48, 135,305.64 and 55,607.10

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Solution

The fourth proportional to 98,049.48, 135,305.64 and 55,607.10 is: 76,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,049.48 : 135,305.64 = 55,607.10 : x
  2. Step 2: Convert to fraction form
    98,049.48/135,305.64 = 55,607.10/x
  3. Step 3: Cross multiply
    98,049.48x = 135,305.64 × 55,607.10
  4. Step 4: Simplify right side
    98,049.48x = 7,523,954,254.04
  5. Step 5: Solve for x
    x = 7,523,954,254.04/98,049.48
  6. Step 6: Final answer
    x = 76,736.30

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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.