Home / 56,914.75-78,543.98-31,765.87

Finding the Fourth Proportional to 56,914.75, 78,543.98 and 31,765.87

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Solution

The fourth proportional to 56,914.75, 78,543.98 and 31,765.87 is: 43,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,914.75 : 78,543.98 = 31,765.87 : x
  2. Step 2: Convert to fraction form
    56,914.75/78,543.98 = 31,765.87/x
  3. Step 3: Cross multiply
    56,914.75x = 78,543.98 × 31,765.87
  4. Step 4: Simplify right side
    56,914.75x = 2,495,017,857.96
  5. Step 5: Solve for x
    x = 2,495,017,857.96/56,914.75
  6. Step 6: Final answer
    x = 43,837.81

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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.