Home / 56,792.58-78,374.29-31,299.87

Finding the Fourth Proportional to 56,792.58, 78,374.29 and 31,299.87

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Solution

The fourth proportional to 56,792.58, 78,374.29 and 31,299.87 is: 43,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,792.58 : 78,374.29 = 31,299.87 : x
  2. Step 2: Convert to fraction form
    56,792.58/78,374.29 = 31,299.87/x
  3. Step 3: Cross multiply
    56,792.58x = 78,374.29 × 31,299.87
  4. Step 4: Simplify right side
    56,792.58x = 2,453,105,362.68
  5. Step 5: Solve for x
    x = 2,453,105,362.68/56,792.58
  6. Step 6: Final answer
    x = 43,194.12

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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.