Home / 79,070.75-118,618.50-34,104.86

Finding the Fourth Proportional to 79,070.75, 118,618.50 and 34,104.86

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Solution

The fourth proportional to 79,070.75, 118,618.50 and 34,104.86 is: 51,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.75 : 118,618.50 = 34,104.86 : x
  2. Step 2: Convert to fraction form
    79,070.75/118,618.50 = 34,104.86/x
  3. Step 3: Cross multiply
    79,070.75x = 118,618.50 × 34,104.86
  4. Step 4: Simplify right side
    79,070.75x = 4,045,467,335.91
  5. Step 5: Solve for x
    x = 4,045,467,335.91/79,070.75
  6. Step 6: Final answer
    x = 51,162.63

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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.