Home / 65,876.40-98,567.64-39,124.44

Finding the Fourth Proportional to 65,876.40, 98,567.64 and 39,124.44

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Solution

The fourth proportional to 65,876.40, 98,567.64 and 39,124.44 is: 58,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.40 : 98,567.64 = 39,124.44 : x
  2. Step 2: Convert to fraction form
    65,876.40/98,567.64 = 39,124.44/x
  3. Step 3: Cross multiply
    65,876.40x = 98,567.64 × 39,124.44
  4. Step 4: Simplify right side
    65,876.40x = 3,856,403,717.12
  5. Step 5: Solve for x
    x = 3,856,403,717.12/65,876.40
  6. Step 6: Final answer
    x = 58,539.99

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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.