Home / 98,544.49-135,991.52-56,103.02

Finding the Fourth Proportional to 98,544.49, 135,991.52 and 56,103.02

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Solution

The fourth proportional to 98,544.49, 135,991.52 and 56,103.02 is: 77,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.49 : 135,991.52 = 56,103.02 : x
  2. Step 2: Convert to fraction form
    98,544.49/135,991.52 = 56,103.02/x
  3. Step 3: Cross multiply
    98,544.49x = 135,991.52 × 56,103.02
  4. Step 4: Simplify right side
    98,544.49x = 7,629,534,966.39
  5. Step 5: Solve for x
    x = 7,629,534,966.39/98,544.49
  6. Step 6: Final answer
    x = 77,422.24

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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.