Home / 55,315.23-76,315.33-32,642.87

Finding the Fourth Proportional to 55,315.23, 76,315.33 and 32,642.87

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Solution

The fourth proportional to 55,315.23, 76,315.33 and 32,642.87 is: 45,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.23 : 76,315.33 = 32,642.87 : x
  2. Step 2: Convert to fraction form
    55,315.23/76,315.33 = 32,642.87/x
  3. Step 3: Cross multiply
    55,315.23x = 76,315.33 × 32,642.87
  4. Step 4: Simplify right side
    55,315.23x = 2,491,151,396.20
  5. Step 5: Solve for x
    x = 2,491,151,396.20/55,315.23
  6. Step 6: Final answer
    x = 45,035.54

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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.