Home / 56,579.62-78,071.18-32,701.68

Finding the Fourth Proportional to 56,579.62, 78,071.18 and 32,701.68

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Solution

The fourth proportional to 56,579.62, 78,071.18 and 32,701.68 is: 45,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.62 : 78,071.18 = 32,701.68 : x
  2. Step 2: Convert to fraction form
    56,579.62/78,071.18 = 32,701.68/x
  3. Step 3: Cross multiply
    56,579.62x = 78,071.18 × 32,701.68
  4. Step 4: Simplify right side
    56,579.62x = 2,553,058,745.58
  5. Step 5: Solve for x
    x = 2,553,058,745.58/56,579.62
  6. Step 6: Final answer
    x = 45,123.29

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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.