Home / 90,962.88-125,525.61-50,674.56

Finding the Fourth Proportional to 90,962.88, 125,525.61 and 50,674.56

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Solution

The fourth proportional to 90,962.88, 125,525.61 and 50,674.56 is: 69,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,962.88 : 125,525.61 = 50,674.56 : x
  2. Step 2: Convert to fraction form
    90,962.88/125,525.61 = 50,674.56/x
  3. Step 3: Cross multiply
    90,962.88x = 125,525.61 × 50,674.56
  4. Step 4: Simplify right side
    90,962.88x = 6,360,955,055.48
  5. Step 5: Solve for x
    x = 6,360,955,055.48/90,962.88
  6. Step 6: Final answer
    x = 69,929.13

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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.