Home / 85,734.31-118,312.06-47,493.74

Finding the Fourth Proportional to 85,734.31, 118,312.06 and 47,493.74

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Solution

The fourth proportional to 85,734.31, 118,312.06 and 47,493.74 is: 65,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.31 : 118,312.06 = 47,493.74 : x
  2. Step 2: Convert to fraction form
    85,734.31/118,312.06 = 47,493.74/x
  3. Step 3: Cross multiply
    85,734.31x = 118,312.06 × 47,493.74
  4. Step 4: Simplify right side
    85,734.31x = 5,619,081,624.94
  5. Step 5: Solve for x
    x = 5,619,081,624.94/85,734.31
  6. Step 6: Final answer
    x = 65,540.64

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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.