Home / 56,845.24-78,446.88-31,696.36

Finding the Fourth Proportional to 56,845.24, 78,446.88 and 31,696.36

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Solution

The fourth proportional to 56,845.24, 78,446.88 and 31,696.36 is: 43,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.24 : 78,446.88 = 31,696.36 : x
  2. Step 2: Convert to fraction form
    56,845.24/78,446.88 = 31,696.36/x
  3. Step 3: Cross multiply
    56,845.24x = 78,446.88 × 31,696.36
  4. Step 4: Simplify right side
    56,845.24x = 2,486,480,549.36
  5. Step 5: Solve for x
    x = 2,486,480,549.36/56,845.24
  6. Step 6: Final answer
    x = 43,741.23

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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.