Home / 74,953.23-103,436.82-40,963.16

Finding the Fourth Proportional to 74,953.23, 103,436.82 and 40,963.16

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Solution

The fourth proportional to 74,953.23, 103,436.82 and 40,963.16 is: 56,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.23 : 103,436.82 = 40,963.16 : x
  2. Step 2: Convert to fraction form
    74,953.23/103,436.82 = 40,963.16/x
  3. Step 3: Cross multiply
    74,953.23x = 103,436.82 × 40,963.16
  4. Step 4: Simplify right side
    74,953.23x = 4,237,099,007.55
  5. Step 5: Solve for x
    x = 4,237,099,007.55/74,953.23
  6. Step 6: Final answer
    x = 56,529.91

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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.