Home / 84,021.29-126,068.99-44,568.72

Finding the Fourth Proportional to 84,021.29, 126,068.99 and 44,568.72

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Solution

The fourth proportional to 84,021.29, 126,068.99 and 44,568.72 is: 66,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.29 : 126,068.99 = 44,568.72 : x
  2. Step 2: Convert to fraction form
    84,021.29/126,068.99 = 44,568.72/x
  3. Step 3: Cross multiply
    84,021.29x = 126,068.99 × 44,568.72
  4. Step 4: Simplify right side
    84,021.29x = 5,618,733,515.99
  5. Step 5: Solve for x
    x = 5,618,733,515.99/84,021.29
  6. Step 6: Final answer
    x = 66,872.74

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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.