Home / 79,307.91-109,445.07-43,498.22

Finding the Fourth Proportional to 79,307.91, 109,445.07 and 43,498.22

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Solution

The fourth proportional to 79,307.91, 109,445.07 and 43,498.22 is: 60,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,307.91 : 109,445.07 = 43,498.22 : x
  2. Step 2: Convert to fraction form
    79,307.91/109,445.07 = 43,498.22/x
  3. Step 3: Cross multiply
    79,307.91x = 109,445.07 × 43,498.22
  4. Step 4: Simplify right side
    79,307.91x = 4,760,665,348.67
  5. Step 5: Solve for x
    x = 4,760,665,348.67/79,307.91
  6. Step 6: Final answer
    x = 60,027.62

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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.