Home / 79,204.71-109,302.50-43,395.55

Finding the Fourth Proportional to 79,204.71, 109,302.50 and 43,395.55

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Solution

The fourth proportional to 79,204.71, 109,302.50 and 43,395.55 is: 59,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,204.71 : 109,302.50 = 43,395.55 : x
  2. Step 2: Convert to fraction form
    79,204.71/109,302.50 = 43,395.55/x
  3. Step 3: Cross multiply
    79,204.71x = 109,302.50 × 43,395.55
  4. Step 4: Simplify right side
    79,204.71x = 4,743,241,878.08
  5. Step 5: Solve for x
    x = 4,743,241,878.08/79,204.71
  6. Step 6: Final answer
    x = 59,885.86

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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.