Home / 56,721.16-85,081.76-23,404.62

Finding the Fourth Proportional to 56,721.16, 85,081.76 and 23,404.62

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Solution

The fourth proportional to 56,721.16, 85,081.76 and 23,404.62 is: 35,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.16 : 85,081.76 = 23,404.62 : x
  2. Step 2: Convert to fraction form
    56,721.16/85,081.76 = 23,404.62/x
  3. Step 3: Cross multiply
    56,721.16x = 85,081.76 × 23,404.62
  4. Step 4: Simplify right side
    56,721.16x = 1,991,306,261.73
  5. Step 5: Solve for x
    x = 1,991,306,261.73/56,721.16
  6. Step 6: Final answer
    x = 35,106.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.