Home / 56,675.65-78,209.26-31,523.53

Finding the Fourth Proportional to 56,675.65, 78,209.26 and 31,523.53

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Solution

The fourth proportional to 56,675.65, 78,209.26 and 31,523.53 is: 43,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,675.65 : 78,209.26 = 31,523.53 : x
  2. Step 2: Convert to fraction form
    56,675.65/78,209.26 = 31,523.53/x
  3. Step 3: Cross multiply
    56,675.65x = 78,209.26 × 31,523.53
  4. Step 4: Simplify right side
    56,675.65x = 2,465,431,953.89
  5. Step 5: Solve for x
    x = 2,465,431,953.89/56,675.65
  6. Step 6: Final answer
    x = 43,500.73

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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.