Home / 56,741.07-78,296.64-31,245.92

Finding the Fourth Proportional to 56,741.07, 78,296.64 and 31,245.92

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Solution

The fourth proportional to 56,741.07, 78,296.64 and 31,245.92 is: 43,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.07 : 78,296.64 = 31,245.92 : x
  2. Step 2: Convert to fraction form
    56,741.07/78,296.64 = 31,245.92/x
  3. Step 3: Cross multiply
    56,741.07x = 78,296.64 × 31,245.92
  4. Step 4: Simplify right side
    56,741.07x = 2,446,450,158.23
  5. Step 5: Solve for x
    x = 2,446,450,158.23/56,741.07
  6. Step 6: Final answer
    x = 43,116.04

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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.