Home / 55,080.45-76,011-32,724.45

Finding the Fourth Proportional to 55,080.45, 76,011 and 32,724.45

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Solution

The fourth proportional to 55,080.45, 76,011 and 32,724.45 is: 45,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.45 : 76,011 = 32,724.45 : x
  2. Step 2: Convert to fraction form
    55,080.45/76,011 = 32,724.45/x
  3. Step 3: Cross multiply
    55,080.45x = 76,011 × 32,724.45
  4. Step 4: Simplify right side
    55,080.45x = 2,487,418,168.95
  5. Step 5: Solve for x
    x = 2,487,418,168.95/55,080.45
  6. Step 6: Final answer
    x = 45,159.73

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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.