Home / 56,668.06-78,202.92-31,176.55

Finding the Fourth Proportional to 56,668.06, 78,202.92 and 31,176.55

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Solution

The fourth proportional to 56,668.06, 78,202.92 and 31,176.55 is: 43,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.06 : 78,202.92 = 31,176.55 : x
  2. Step 2: Convert to fraction form
    56,668.06/78,202.92 = 31,176.55/x
  3. Step 3: Cross multiply
    56,668.06x = 78,202.92 × 31,176.55
  4. Step 4: Simplify right side
    56,668.06x = 2,438,097,166.93
  5. Step 5: Solve for x
    x = 2,438,097,166.93/56,668.06
  6. Step 6: Final answer
    x = 43,024.19

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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.