Home / 74,924.16-103,393.62-40,932.78

Finding the Fourth Proportional to 74,924.16, 103,393.62 and 40,932.78

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Solution

The fourth proportional to 74,924.16, 103,393.62 and 40,932.78 is: 56,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.16 : 103,393.62 = 40,932.78 : x
  2. Step 2: Convert to fraction form
    74,924.16/103,393.62 = 40,932.78/x
  3. Step 3: Cross multiply
    74,924.16x = 103,393.62 × 40,932.78
  4. Step 4: Simplify right side
    74,924.16x = 4,232,188,300.86
  5. Step 5: Solve for x
    x = 4,232,188,300.86/74,924.16
  6. Step 6: Final answer
    x = 56,486.30

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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.