Home / 56,934.54-78,566.40-31,785.66

Finding the Fourth Proportional to 56,934.54, 78,566.40 and 31,785.66

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Solution

The fourth proportional to 56,934.54, 78,566.40 and 31,785.66 is: 43,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,934.54 : 78,566.40 = 31,785.66 : x
  2. Step 2: Convert to fraction form
    56,934.54/78,566.40 = 31,785.66/x
  3. Step 3: Cross multiply
    56,934.54x = 78,566.40 × 31,785.66
  4. Step 4: Simplify right side
    56,934.54x = 2,497,284,877.82
  5. Step 5: Solve for x
    x = 2,497,284,877.82/56,934.54
  6. Step 6: Final answer
    x = 43,862.39

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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.