Home / 83,212.31-124,653.53-38,777.94

Finding the Fourth Proportional to 83,212.31, 124,653.53 and 38,777.94

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Solution

The fourth proportional to 83,212.31, 124,653.53 and 38,777.94 is: 58,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212.31 : 124,653.53 = 38,777.94 : x
  2. Step 2: Convert to fraction form
    83,212.31/124,653.53 = 38,777.94/x
  3. Step 3: Cross multiply
    83,212.31x = 124,653.53 × 38,777.94
  4. Step 4: Simplify right side
    83,212.31x = 4,833,807,204.07
  5. Step 5: Solve for x
    x = 4,833,807,204.07/83,212.31
  6. Step 6: Final answer
    x = 58,090.05

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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.