Home / 56,387.26-77,814.41-30,894.59

Finding the Fourth Proportional to 56,387.26, 77,814.41 and 30,894.59

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Solution

The fourth proportional to 56,387.26, 77,814.41 and 30,894.59 is: 42,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.26 : 77,814.41 = 30,894.59 : x
  2. Step 2: Convert to fraction form
    56,387.26/77,814.41 = 30,894.59/x
  3. Step 3: Cross multiply
    56,387.26x = 77,814.41 × 30,894.59
  4. Step 4: Simplify right side
    56,387.26x = 2,404,044,374.93
  5. Step 5: Solve for x
    x = 2,404,044,374.93/56,387.26
  6. Step 6: Final answer
    x = 42,634.53

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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.