Home / 85,824.36-118,449.88-47,592.43

Finding the Fourth Proportional to 85,824.36, 118,449.88 and 47,592.43

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Solution

The fourth proportional to 85,824.36, 118,449.88 and 47,592.43 is: 65,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,824.36 : 118,449.88 = 47,592.43 : x
  2. Step 2: Convert to fraction form
    85,824.36/118,449.88 = 47,592.43/x
  3. Step 3: Cross multiply
    85,824.36x = 118,449.88 × 47,592.43
  4. Step 4: Simplify right side
    85,824.36x = 5,637,317,207.30
  5. Step 5: Solve for x
    x = 5,637,317,207.30/85,824.36
  6. Step 6: Final answer
    x = 65,684.35

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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.