Home / 55,742.03-76,923.24-30,591.53

Finding the Fourth Proportional to 55,742.03, 76,923.24 and 30,591.53

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Solution

The fourth proportional to 55,742.03, 76,923.24 and 30,591.53 is: 42,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742.03 : 76,923.24 = 30,591.53 : x
  2. Step 2: Convert to fraction form
    55,742.03/76,923.24 = 30,591.53/x
  3. Step 3: Cross multiply
    55,742.03x = 76,923.24 × 30,591.53
  4. Step 4: Simplify right side
    55,742.03x = 2,353,199,604.16
  5. Step 5: Solve for x
    x = 2,353,199,604.16/55,742.03
  6. Step 6: Final answer
    x = 42,215.89

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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.