Home / 56,988.56-78,644.16-31,496.84

Finding the Fourth Proportional to 56,988.56, 78,644.16 and 31,496.84

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Solution

The fourth proportional to 56,988.56, 78,644.16 and 31,496.84 is: 43,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988.56 : 78,644.16 = 31,496.84 : x
  2. Step 2: Convert to fraction form
    56,988.56/78,644.16 = 31,496.84/x
  3. Step 3: Cross multiply
    56,988.56x = 78,644.16 × 31,496.84
  4. Step 4: Simplify right side
    56,988.56x = 2,477,042,524.45
  5. Step 5: Solve for x
    x = 2,477,042,524.45/56,988.56
  6. Step 6: Final answer
    x = 43,465.61

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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.