Home / 83,412.38-124,804.66-58,501.06

Finding the Fourth Proportional to 83,412.38, 124,804.66 and 58,501.06

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Solution

The fourth proportional to 83,412.38, 124,804.66 and 58,501.06 is: 87,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412.38 : 124,804.66 = 58,501.06 : x
  2. Step 2: Convert to fraction form
    83,412.38/124,804.66 = 58,501.06/x
  3. Step 3: Cross multiply
    83,412.38x = 124,804.66 × 58,501.06
  4. Step 4: Simplify right side
    83,412.38x = 7,301,204,902.94
  5. Step 5: Solve for x
    x = 7,301,204,902.94/83,412.38
  6. Step 6: Final answer
    x = 87,531.43

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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.