Home / 89,676.96-123,752.40-56,161.44

Finding the Fourth Proportional to 89,676.96, 123,752.40 and 56,161.44

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Solution

The fourth proportional to 89,676.96, 123,752.40 and 56,161.44 is: 77,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,676.96 : 123,752.40 = 56,161.44 : x
  2. Step 2: Convert to fraction form
    89,676.96/123,752.40 = 56,161.44/x
  3. Step 3: Cross multiply
    89,676.96x = 123,752.40 × 56,161.44
  4. Step 4: Simplify right side
    89,676.96x = 6,950,112,987.46
  5. Step 5: Solve for x
    x = 6,950,112,987.46/89,676.96
  6. Step 6: Final answer
    x = 77,501.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.