Home / 56,676.48-85,012.56-15,123.12

Finding the Fourth Proportional to 56,676.48, 85,012.56 and 15,123.12

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Solution

The fourth proportional to 56,676.48, 85,012.56 and 15,123.12 is: 22,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.48 : 85,012.56 = 15,123.12 : x
  2. Step 2: Convert to fraction form
    56,676.48/85,012.56 = 15,123.12/x
  3. Step 3: Cross multiply
    56,676.48x = 85,012.56 × 15,123.12
  4. Step 4: Simplify right side
    56,676.48x = 1,285,655,146.39
  5. Step 5: Solve for x
    x = 1,285,655,146.39/56,676.48
  6. Step 6: Final answer
    x = 22,684.10

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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.