Home / 79,032.18-109,060.38-43,215.24

Finding the Fourth Proportional to 79,032.18, 109,060.38 and 43,215.24

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Solution

The fourth proportional to 79,032.18, 109,060.38 and 43,215.24 is: 59,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,032.18 : 109,060.38 = 43,215.24 : x
  2. Step 2: Convert to fraction form
    79,032.18/109,060.38 = 43,215.24/x
  3. Step 3: Cross multiply
    79,032.18x = 109,060.38 × 43,215.24
  4. Step 4: Simplify right side
    79,032.18x = 4,713,070,496.19
  5. Step 5: Solve for x
    x = 4,713,070,496.19/79,032.18
  6. Step 6: Final answer
    x = 59,634.83

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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.