Home / 98,040.84-135,265.50-55,591.17

Finding the Fourth Proportional to 98,040.84, 135,265.50 and 55,591.17

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Solution

The fourth proportional to 98,040.84, 135,265.50 and 55,591.17 is: 76,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,040.84 : 135,265.50 = 55,591.17 : x
  2. Step 2: Convert to fraction form
    98,040.84/135,265.50 = 55,591.17/x
  3. Step 3: Cross multiply
    98,040.84x = 135,265.50 × 55,591.17
  4. Step 4: Simplify right side
    98,040.84x = 7,519,567,405.64
  5. Step 5: Solve for x
    x = 7,519,567,405.64/98,040.84
  6. Step 6: Final answer
    x = 76,698.32

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1.5x scale

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.