Home / 56,986.54-78,672.47-34,331.04

Finding the Fourth Proportional to 56,986.54, 78,672.47 and 34,331.04

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Solution

The fourth proportional to 56,986.54, 78,672.47 and 34,331.04 is: 47,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.54 : 78,672.47 = 34,331.04 : x
  2. Step 2: Convert to fraction form
    56,986.54/78,672.47 = 34,331.04/x
  3. Step 3: Cross multiply
    56,986.54x = 78,672.47 × 34,331.04
  4. Step 4: Simplify right side
    56,986.54x = 2,700,907,542.81
  5. Step 5: Solve for x
    x = 2,700,907,542.81/56,986.54
  6. Step 6: Final answer
    x = 47,395.54

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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.