Home / 82,711.85-124,088.58-26,556.98

Finding the Fourth Proportional to 82,711.85, 124,088.58 and 26,556.98

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Solution

The fourth proportional to 82,711.85, 124,088.58 and 26,556.98 is: 39,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,711.85 : 124,088.58 = 26,556.98 : x
  2. Step 2: Convert to fraction form
    82,711.85/124,088.58 = 26,556.98/x
  3. Step 3: Cross multiply
    82,711.85x = 124,088.58 × 26,556.98
  4. Step 4: Simplify right side
    82,711.85x = 3,295,417,316.85
  5. Step 5: Solve for x
    x = 3,295,417,316.85/82,711.85
  6. Step 6: Final answer
    x = 39,842.14

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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.