Home / 82,677.52-124,014.45-26,515.36

Finding the Fourth Proportional to 82,677.52, 124,014.45 and 26,515.36

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Solution

The fourth proportional to 82,677.52, 124,014.45 and 26,515.36 is: 39,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,677.52 : 124,014.45 = 26,515.36 : x
  2. Step 2: Convert to fraction form
    82,677.52/124,014.45 = 26,515.36/x
  3. Step 3: Cross multiply
    82,677.52x = 124,014.45 × 26,515.36
  4. Step 4: Simplify right side
    82,677.52x = 3,288,287,166.88
  5. Step 5: Solve for x
    x = 3,288,287,166.88/82,677.52
  6. Step 6: Final answer
    x = 39,772.45

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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.