Home / 63,020.97-86,902.06-56,673.81

Finding the Fourth Proportional to 63,020.97, 86,902.06 and 56,673.81

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Solution

The fourth proportional to 63,020.97, 86,902.06 and 56,673.81 is: 78,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,020.97 : 86,902.06 = 56,673.81 : x
  2. Step 2: Convert to fraction form
    63,020.97/86,902.06 = 56,673.81/x
  3. Step 3: Cross multiply
    63,020.97x = 86,902.06 × 56,673.81
  4. Step 4: Simplify right side
    63,020.97x = 4,925,070,837.05
  5. Step 5: Solve for x
    x = 4,925,070,837.05/63,020.97
  6. Step 6: Final answer
    x = 78,149.71

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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.