Home / 74,950.64-103,433.24-40,960.56

Finding the Fourth Proportional to 74,950.64, 103,433.24 and 40,960.56

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Solution

The fourth proportional to 74,950.64, 103,433.24 and 40,960.56 is: 56,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950.64 : 103,433.24 = 40,960.56 : x
  2. Step 2: Convert to fraction form
    74,950.64/103,433.24 = 40,960.56/x
  3. Step 3: Cross multiply
    74,950.64x = 103,433.24 × 40,960.56
  4. Step 4: Simplify right side
    74,950.64x = 4,236,683,923.29
  5. Step 5: Solve for x
    x = 4,236,683,923.29/74,950.64
  6. Step 6: Final answer
    x = 56,526.32

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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.