Home / 56,822.22-78,400.62-34,156.71

Finding the Fourth Proportional to 56,822.22, 78,400.62 and 34,156.71

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Solution

The fourth proportional to 56,822.22, 78,400.62 and 34,156.71 is: 47,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.22 : 78,400.62 = 34,156.71 : x
  2. Step 2: Convert to fraction form
    56,822.22/78,400.62 = 34,156.71/x
  3. Step 3: Cross multiply
    56,822.22x = 78,400.62 × 34,156.71
  4. Step 4: Simplify right side
    56,822.22x = 2,677,907,241.16
  5. Step 5: Solve for x
    x = 2,677,907,241.16/56,822.22
  6. Step 6: Final answer
    x = 47,127.82

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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.