Home / 74,582.61-102,924.15-40,591.05

Finding the Fourth Proportional to 74,582.61, 102,924.15 and 40,591.05

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Solution

The fourth proportional to 74,582.61, 102,924.15 and 40,591.05 is: 56,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.61 : 102,924.15 = 40,591.05 : x
  2. Step 2: Convert to fraction form
    74,582.61/102,924.15 = 40,591.05/x
  3. Step 3: Cross multiply
    74,582.61x = 102,924.15 × 40,591.05
  4. Step 4: Simplify right side
    74,582.61x = 4,177,799,318.86
  5. Step 5: Solve for x
    x = 4,177,799,318.86/74,582.61
  6. Step 6: Final answer
    x = 56,015.73

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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.