Home / 82,764.06-124,048.80-38,296.86

Finding the Fourth Proportional to 82,764.06, 124,048.80 and 38,296.86

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Solution

The fourth proportional to 82,764.06, 124,048.80 and 38,296.86 is: 57,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.06 : 124,048.80 = 38,296.86 : x
  2. Step 2: Convert to fraction form
    82,764.06/124,048.80 = 38,296.86/x
  3. Step 3: Cross multiply
    82,764.06x = 124,048.80 × 38,296.86
  4. Step 4: Simplify right side
    82,764.06x = 4,750,679,526.77
  5. Step 5: Solve for x
    x = 4,750,679,526.77/82,764.06
  6. Step 6: Final answer
    x = 57,400.27

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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.