Home / 75,432.72-104,099.40-43,598.80

Finding the Fourth Proportional to 75,432.72, 104,099.40 and 43,598.80

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Solution

The fourth proportional to 75,432.72, 104,099.40 and 43,598.80 is: 60,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.72 : 104,099.40 = 43,598.80 : x
  2. Step 2: Convert to fraction form
    75,432.72/104,099.40 = 43,598.80/x
  3. Step 3: Cross multiply
    75,432.72x = 104,099.40 × 43,598.80
  4. Step 4: Simplify right side
    75,432.72x = 4,538,608,920.72
  5. Step 5: Solve for x
    x = 4,538,608,920.72/75,432.72
  6. Step 6: Final answer
    x = 60,167.64

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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.