Home / 56,522.25-78,004.35-31,371.75

Finding the Fourth Proportional to 56,522.25, 78,004.35 and 31,371.75

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Solution

The fourth proportional to 56,522.25, 78,004.35 and 31,371.75 is: 43,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,522.25 : 78,004.35 = 31,371.75 : x
  2. Step 2: Convert to fraction form
    56,522.25/78,004.35 = 31,371.75/x
  3. Step 3: Cross multiply
    56,522.25x = 78,004.35 × 31,371.75
  4. Step 4: Simplify right side
    56,522.25x = 2,447,132,967.11
  5. Step 5: Solve for x
    x = 2,447,132,967.11/56,522.25
  6. Step 6: Final answer
    x = 43,295.04

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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.