Home / 79,302.51-118,826.19-54,257.85

Finding the Fourth Proportional to 79,302.51, 118,826.19 and 54,257.85

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Solution

The fourth proportional to 79,302.51, 118,826.19 and 54,257.85 is: 81,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,302.51 : 118,826.19 = 54,257.85 : x
  2. Step 2: Convert to fraction form
    79,302.51/118,826.19 = 54,257.85/x
  3. Step 3: Cross multiply
    79,302.51x = 118,826.19 × 54,257.85
  4. Step 4: Simplify right side
    79,302.51x = 6,447,253,593.09
  5. Step 5: Solve for x
    x = 6,447,253,593.09/79,302.51
  6. Step 6: Final answer
    x = 81,299.49

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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.