Home / 77,131.80-115,706.21-24,528.98

Finding the Fourth Proportional to 77,131.80, 115,706.21 and 24,528.98

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Solution

The fourth proportional to 77,131.80, 115,706.21 and 24,528.98 is: 36,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,131.80 : 115,706.21 = 24,528.98 : x
  2. Step 2: Convert to fraction form
    77,131.80/115,706.21 = 24,528.98/x
  3. Step 3: Cross multiply
    77,131.80x = 115,706.21 × 24,528.98
  4. Step 4: Simplify right side
    77,131.80x = 2,838,155,477.59
  5. Step 5: Solve for x
    x = 2,838,155,477.59/77,131.80
  6. Step 6: Final answer
    x = 36,796.18

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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.