Home / 74,950.44-103,432.50-40,958.76

Finding the Fourth Proportional to 74,950.44, 103,432.50 and 40,958.76

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Solution

The fourth proportional to 74,950.44, 103,432.50 and 40,958.76 is: 56,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950.44 : 103,432.50 = 40,958.76 : x
  2. Step 2: Convert to fraction form
    74,950.44/103,432.50 = 40,958.76/x
  3. Step 3: Cross multiply
    74,950.44x = 103,432.50 × 40,958.76
  4. Step 4: Simplify right side
    74,950.44x = 4,236,466,943.70
  5. Step 5: Solve for x
    x = 4,236,466,943.70/74,950.44
  6. Step 6: Final answer
    x = 56,523.58

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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.