Home / 83,343.33-124,980.35-51,705.86

Finding the Fourth Proportional to 83,343.33, 124,980.35 and 51,705.86

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Solution

The fourth proportional to 83,343.33, 124,980.35 and 51,705.86 is: 77,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.33 : 124,980.35 = 51,705.86 : x
  2. Step 2: Convert to fraction form
    83,343.33/124,980.35 = 51,705.86/x
  3. Step 3: Cross multiply
    83,343.33x = 124,980.35 × 51,705.86
  4. Step 4: Simplify right side
    83,343.33x = 6,462,215,596.42
  5. Step 5: Solve for x
    x = 6,462,215,596.42/83,343.33
  6. Step 6: Final answer
    x = 77,537.29

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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.