Home / 78,863.64-118,250.01-53,933.91

Finding the Fourth Proportional to 78,863.64, 118,250.01 and 53,933.91

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Solution

The fourth proportional to 78,863.64, 118,250.01 and 53,933.91 is: 80,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,863.64 : 118,250.01 = 53,933.91 : x
  2. Step 2: Convert to fraction form
    78,863.64/118,250.01 = 53,933.91/x
  3. Step 3: Cross multiply
    78,863.64x = 118,250.01 × 53,933.91
  4. Step 4: Simplify right side
    78,863.64x = 6,377,685,396.84
  5. Step 5: Solve for x
    x = 6,377,685,396.84/78,863.64
  6. Step 6: Final answer
    x = 80,869.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.