Home / 75,543.12-113,314.26-19,383.12

Finding the Fourth Proportional to 75,543.12, 113,314.26 and 19,383.12

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Solution

The fourth proportional to 75,543.12, 113,314.26 and 19,383.12 is: 29,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,543.12 : 113,314.26 = 19,383.12 : x
  2. Step 2: Convert to fraction form
    75,543.12/113,314.26 = 19,383.12/x
  3. Step 3: Cross multiply
    75,543.12x = 113,314.26 × 19,383.12
  4. Step 4: Simplify right side
    75,543.12x = 2,196,383,899.29
  5. Step 5: Solve for x
    x = 2,196,383,899.29/75,543.12
  6. Step 6: Final answer
    x = 29,074.57

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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.