Home / 83,504.79-125,225.53-30,182.36

Finding the Fourth Proportional to 83,504.79, 125,225.53 and 30,182.36

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Solution

The fourth proportional to 83,504.79, 125,225.53 and 30,182.36 is: 45,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,504.79 : 125,225.53 = 30,182.36 : x
  2. Step 2: Convert to fraction form
    83,504.79/125,225.53 = 30,182.36/x
  3. Step 3: Cross multiply
    83,504.79x = 125,225.53 × 30,182.36
  4. Step 4: Simplify right side
    83,504.79x = 3,779,601,326.07
  5. Step 5: Solve for x
    x = 3,779,601,326.07/83,504.79
  6. Step 6: Final answer
    x = 45,262.09

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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.