Home / 56,296.86-77,700.09-36,178.89

Finding the Fourth Proportional to 56,296.86, 77,700.09 and 36,178.89

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Solution

The fourth proportional to 56,296.86, 77,700.09 and 36,178.89 is: 49,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,296.86 : 77,700.09 = 36,178.89 : x
  2. Step 2: Convert to fraction form
    56,296.86/77,700.09 = 36,178.89/x
  3. Step 3: Cross multiply
    56,296.86x = 77,700.09 × 36,178.89
  4. Step 4: Simplify right side
    56,296.86x = 2,811,103,009.10
  5. Step 5: Solve for x
    x = 2,811,103,009.10/56,296.86
  6. Step 6: Final answer
    x = 49,933.57

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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.