Home / 69,849.64-96,389.49-38,018.80

Finding the Fourth Proportional to 69,849.64, 96,389.49 and 38,018.80

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Solution

The fourth proportional to 69,849.64, 96,389.49 and 38,018.80 is: 52,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,849.64 : 96,389.49 = 38,018.80 : x
  2. Step 2: Convert to fraction form
    69,849.64/96,389.49 = 38,018.80/x
  3. Step 3: Cross multiply
    69,849.64x = 96,389.49 × 38,018.80
  4. Step 4: Simplify right side
    69,849.64x = 3,664,612,742.41
  5. Step 5: Solve for x
    x = 3,664,612,742.41/69,849.64
  6. Step 6: Final answer
    x = 52,464.30

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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.