Home / 85,921.10-118,568.04-47,682.34

Finding the Fourth Proportional to 85,921.10, 118,568.04 and 47,682.34

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Solution

The fourth proportional to 85,921.10, 118,568.04 and 47,682.34 is: 65,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,921.10 : 118,568.04 = 47,682.34 : x
  2. Step 2: Convert to fraction form
    85,921.10/118,568.04 = 47,682.34/x
  3. Step 3: Cross multiply
    85,921.10x = 118,568.04 × 47,682.34
  4. Step 4: Simplify right side
    85,921.10x = 5,653,601,596.41
  5. Step 5: Solve for x
    x = 5,653,601,596.41/85,921.10
  6. Step 6: Final answer
    x = 65,799.92

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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.