Home / 79,432.23-109,659.04-61,243.23

Finding the Fourth Proportional to 79,432.23, 109,659.04 and 61,243.23

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Solution

The fourth proportional to 79,432.23, 109,659.04 and 61,243.23 is: 84,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.23 : 109,659.04 = 61,243.23 : x
  2. Step 2: Convert to fraction form
    79,432.23/109,659.04 = 61,243.23/x
  3. Step 3: Cross multiply
    79,432.23x = 109,659.04 × 61,243.23
  4. Step 4: Simplify right side
    79,432.23x = 6,715,873,808.30
  5. Step 5: Solve for x
    x = 6,715,873,808.30/79,432.23
  6. Step 6: Final answer
    x = 84,548.47

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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.