Home / 77,206.46-115,828.43-24,615.90

Finding the Fourth Proportional to 77,206.46, 115,828.43 and 24,615.90

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Solution

The fourth proportional to 77,206.46, 115,828.43 and 24,615.90 is: 36,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,206.46 : 115,828.43 = 24,615.90 : x
  2. Step 2: Convert to fraction form
    77,206.46/115,828.43 = 24,615.90/x
  3. Step 3: Cross multiply
    77,206.46x = 115,828.43 × 24,615.90
  4. Step 4: Simplify right side
    77,206.46x = 2,851,220,926.96
  5. Step 5: Solve for x
    x = 2,851,220,926.96/77,206.46
  6. Step 6: Final answer
    x = 36,929.83

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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.