Home / 55,770.03-76,949.06-31,571.55

Finding the Fourth Proportional to 55,770.03, 76,949.06 and 31,571.55

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Solution

The fourth proportional to 55,770.03, 76,949.06 and 31,571.55 is: 43,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.03 : 76,949.06 = 31,571.55 : x
  2. Step 2: Convert to fraction form
    55,770.03/76,949.06 = 31,571.55/x
  3. Step 3: Cross multiply
    55,770.03x = 76,949.06 × 31,571.55
  4. Step 4: Simplify right side
    55,770.03x = 2,429,400,937.39
  5. Step 5: Solve for x
    x = 2,429,400,937.39/55,770.03
  6. Step 6: Final answer
    x = 43,561.05

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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.