Home / 48,199.75-72,299.63-13,144.57

Finding the Fourth Proportional to 48,199.75, 72,299.63 and 13,144.57

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Solution

The fourth proportional to 48,199.75, 72,299.63 and 13,144.57 is: 19,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.75 : 72,299.63 = 13,144.57 : x
  2. Step 2: Convert to fraction form
    48,199.75/72,299.63 = 13,144.57/x
  3. Step 3: Cross multiply
    48,199.75x = 72,299.63 × 13,144.57
  4. Step 4: Simplify right side
    48,199.75x = 950,347,547.51
  5. Step 5: Solve for x
    x = 950,347,547.51/48,199.75
  6. Step 6: Final answer
    x = 19,716.86

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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.