Home / 85,548.15-118,064.97-47,310.58

Finding the Fourth Proportional to 85,548.15, 118,064.97 and 47,310.58

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Solution

The fourth proportional to 85,548.15, 118,064.97 and 47,310.58 is: 65,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,548.15 : 118,064.97 = 47,310.58 : x
  2. Step 2: Convert to fraction form
    85,548.15/118,064.97 = 47,310.58/x
  3. Step 3: Cross multiply
    85,548.15x = 118,064.97 × 47,310.58
  4. Step 4: Simplify right side
    85,548.15x = 5,585,722,222.90
  5. Step 5: Solve for x
    x = 5,585,722,222.90/85,548.15
  6. Step 6: Final answer
    x = 65,293.31

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1.5x scale

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.