Home / 77,311.16-115,981.32-24,706.52

Finding the Fourth Proportional to 77,311.16, 115,981.32 and 24,706.52

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Solution

The fourth proportional to 77,311.16, 115,981.32 and 24,706.52 is: 37,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,311.16 : 115,981.32 = 24,706.52 : x
  2. Step 2: Convert to fraction form
    77,311.16/115,981.32 = 24,706.52/x
  3. Step 3: Cross multiply
    77,311.16x = 115,981.32 × 24,706.52
  4. Step 4: Simplify right side
    77,311.16x = 2,865,494,802.21
  5. Step 5: Solve for x
    x = 2,865,494,802.21/77,311.16
  6. Step 6: Final answer
    x = 37,064.44

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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.