Home / 56,676.10-85,014.15-53,176.90

Finding the Fourth Proportional to 56,676.10, 85,014.15 and 53,176.90

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Solution

The fourth proportional to 56,676.10, 85,014.15 and 53,176.90 is: 79,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.10 : 85,014.15 = 53,176.90 : x
  2. Step 2: Convert to fraction form
    56,676.10/85,014.15 = 53,176.90/x
  3. Step 3: Cross multiply
    56,676.10x = 85,014.15 × 53,176.90
  4. Step 4: Simplify right side
    56,676.10x = 4,520,788,953.14
  5. Step 5: Solve for x
    x = 4,520,788,953.14/56,676.10
  6. Step 6: Final answer
    x = 79,765.35

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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.