Home / 77,897.04-116,915-36,367.44

Finding the Fourth Proportional to 77,897.04, 116,915 and 36,367.44

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Solution

The fourth proportional to 77,897.04, 116,915 and 36,367.44 is: 54,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897.04 : 116,915 = 36,367.44 : x
  2. Step 2: Convert to fraction form
    77,897.04/116,915 = 36,367.44/x
  3. Step 3: Cross multiply
    77,897.04x = 116,915 × 36,367.44
  4. Step 4: Simplify right side
    77,897.04x = 4,251,899,247.60
  5. Step 5: Solve for x
    x = 4,251,899,247.60/77,897.04
  6. Step 6: Final answer
    x = 54,583.58

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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.