Home / 56,671.26-78,203.88-31,176.02

Finding the Fourth Proportional to 56,671.26, 78,203.88 and 31,176.02

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Solution

The fourth proportional to 56,671.26, 78,203.88 and 31,176.02 is: 43,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.26 : 78,203.88 = 31,176.02 : x
  2. Step 2: Convert to fraction form
    56,671.26/78,203.88 = 31,176.02/x
  3. Step 3: Cross multiply
    56,671.26x = 78,203.88 × 31,176.02
  4. Step 4: Simplify right side
    56,671.26x = 2,438,085,726.96
  5. Step 5: Solve for x
    x = 2,438,085,726.96/56,671.26
  6. Step 6: Final answer
    x = 43,021.55

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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.