Home / 50,772.86-70,074.29-31,655.74

Finding the Fourth Proportional to 50,772.86, 70,074.29 and 31,655.74

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Solution

The fourth proportional to 50,772.86, 70,074.29 and 31,655.74 is: 43,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.86 : 70,074.29 = 31,655.74 : x
  2. Step 2: Convert to fraction form
    50,772.86/70,074.29 = 31,655.74/x
  3. Step 3: Cross multiply
    50,772.86x = 70,074.29 × 31,655.74
  4. Step 4: Simplify right side
    50,772.86x = 2,218,252,996.27
  5. Step 5: Solve for x
    x = 2,218,252,996.27/50,772.86
  6. Step 6: Final answer
    x = 43,689.74

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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.