Home / 78,943.83-118,462.43-29,058.96

Finding the Fourth Proportional to 78,943.83, 118,462.43 and 29,058.96

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Solution

The fourth proportional to 78,943.83, 118,462.43 and 29,058.96 is: 43,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,943.83 : 118,462.43 = 29,058.96 : x
  2. Step 2: Convert to fraction form
    78,943.83/118,462.43 = 29,058.96/x
  3. Step 3: Cross multiply
    78,943.83x = 118,462.43 × 29,058.96
  4. Step 4: Simplify right side
    78,943.83x = 3,442,395,014.87
  5. Step 5: Solve for x
    x = 3,442,395,014.87/78,943.83
  6. Step 6: Final answer
    x = 43,605.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.