Home / 50,585.12-75,877.68-13,649.12

Finding the Fourth Proportional to 50,585.12, 75,877.68 and 13,649.12

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Solution

The fourth proportional to 50,585.12, 75,877.68 and 13,649.12 is: 20,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,585.12 : 75,877.68 = 13,649.12 : x
  2. Step 2: Convert to fraction form
    50,585.12/75,877.68 = 13,649.12/x
  3. Step 3: Cross multiply
    50,585.12x = 75,877.68 × 13,649.12
  4. Step 4: Simplify right side
    50,585.12x = 1,035,663,559.64
  5. Step 5: Solve for x
    x = 1,035,663,559.64/50,585.12
  6. Step 6: Final answer
    x = 20,473.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.