Home / 77,573.17-116,357.44-21,416.70

Finding the Fourth Proportional to 77,573.17, 116,357.44 and 21,416.70

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Solution

The fourth proportional to 77,573.17, 116,357.44 and 21,416.70 is: 32,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.17 : 116,357.44 = 21,416.70 : x
  2. Step 2: Convert to fraction form
    77,573.17/116,357.44 = 21,416.70/x
  3. Step 3: Cross multiply
    77,573.17x = 116,357.44 × 21,416.70
  4. Step 4: Simplify right side
    77,573.17x = 2,491,992,385.25
  5. Step 5: Solve for x
    x = 2,491,992,385.25/77,573.17
  6. Step 6: Final answer
    x = 32,124.41

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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.