Home / 85,825.24-118,445.82-47,588.58

Finding the Fourth Proportional to 85,825.24, 118,445.82 and 47,588.58

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Solution

The fourth proportional to 85,825.24, 118,445.82 and 47,588.58 is: 65,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.24 : 118,445.82 = 47,588.58 : x
  2. Step 2: Convert to fraction form
    85,825.24/118,445.82 = 47,588.58/x
  3. Step 3: Cross multiply
    85,825.24x = 118,445.82 × 47,588.58
  4. Step 4: Simplify right side
    85,825.24x = 5,636,668,380.74
  5. Step 5: Solve for x
    x = 5,636,668,380.74/85,825.24
  6. Step 6: Final answer
    x = 65,676.12

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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.