Home / 53,120.76-79,512.60-29,676.12

Finding the Fourth Proportional to 53,120.76, 79,512.60 and 29,676.12

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Solution

The fourth proportional to 53,120.76, 79,512.60 and 29,676.12 is: 44,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.76 : 79,512.60 = 29,676.12 : x
  2. Step 2: Convert to fraction form
    53,120.76/79,512.60 = 29,676.12/x
  3. Step 3: Cross multiply
    53,120.76x = 79,512.60 × 29,676.12
  4. Step 4: Simplify right side
    53,120.76x = 2,359,625,459.11
  5. Step 5: Solve for x
    x = 2,359,625,459.11/53,120.76
  6. Step 6: Final answer
    x = 44,420.02

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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.