Home / 78,925.27-108,915.09-43,115.44

Finding the Fourth Proportional to 78,925.27, 108,915.09 and 43,115.44

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Solution

The fourth proportional to 78,925.27, 108,915.09 and 43,115.44 is: 59,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.27 : 108,915.09 = 43,115.44 : x
  2. Step 2: Convert to fraction form
    78,925.27/108,915.09 = 43,115.44/x
  3. Step 3: Cross multiply
    78,925.27x = 108,915.09 × 43,115.44
  4. Step 4: Simplify right side
    78,925.27x = 4,695,922,027.99
  5. Step 5: Solve for x
    x = 4,695,922,027.99/78,925.27
  6. Step 6: Final answer
    x = 59,498.33

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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.