Home / 74,933.32-103,403.32-40,934.92

Finding the Fourth Proportional to 74,933.32, 103,403.32 and 40,934.92

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Solution

The fourth proportional to 74,933.32, 103,403.32 and 40,934.92 is: 56,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.32 : 103,403.32 = 40,934.92 : x
  2. Step 2: Convert to fraction form
    74,933.32/103,403.32 = 40,934.92/x
  3. Step 3: Cross multiply
    74,933.32x = 103,403.32 × 40,934.92
  4. Step 4: Simplify right side
    74,933.32x = 4,232,806,631.93
  5. Step 5: Solve for x
    x = 4,232,806,631.93/74,933.32
  6. Step 6: Final answer
    x = 56,487.64

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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.