Home / 90,734.94-125,205.66-52,488.36

Finding the Fourth Proportional to 90,734.94, 125,205.66 and 52,488.36

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Solution

The fourth proportional to 90,734.94, 125,205.66 and 52,488.36 is: 72,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.94 : 125,205.66 = 52,488.36 : x
  2. Step 2: Convert to fraction form
    90,734.94/125,205.66 = 52,488.36/x
  3. Step 3: Cross multiply
    90,734.94x = 125,205.66 × 52,488.36
  4. Step 4: Simplify right side
    90,734.94x = 6,571,839,756.12
  5. Step 5: Solve for x
    x = 6,571,839,756.12/90,734.94
  6. Step 6: Final answer
    x = 72,428.99

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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.