Home / 56,746.94-78,310.04-31,252.82

Finding the Fourth Proportional to 56,746.94, 78,310.04 and 31,252.82

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Solution

The fourth proportional to 56,746.94, 78,310.04 and 31,252.82 is: 43,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.94 : 78,310.04 = 31,252.82 : x
  2. Step 2: Convert to fraction form
    56,746.94/78,310.04 = 31,252.82/x
  3. Step 3: Cross multiply
    56,746.94x = 78,310.04 × 31,252.82
  4. Step 4: Simplify right side
    56,746.94x = 2,447,409,036.50
  5. Step 5: Solve for x
    x = 2,447,409,036.50/56,746.94
  6. Step 6: Final answer
    x = 43,128.48

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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.