Home / 56,741.58-78,263.55-49,174.62

Finding the Fourth Proportional to 56,741.58, 78,263.55 and 49,174.62

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Solution

The fourth proportional to 56,741.58, 78,263.55 and 49,174.62 is: 67,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.58 : 78,263.55 = 49,174.62 : x
  2. Step 2: Convert to fraction form
    56,741.58/78,263.55 = 49,174.62/x
  3. Step 3: Cross multiply
    56,741.58x = 78,263.55 × 49,174.62
  4. Step 4: Simplify right side
    56,741.58x = 3,848,580,331.10
  5. Step 5: Solve for x
    x = 3,848,580,331.10/56,741.58
  6. Step 6: Final answer
    x = 67,826.46

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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.