Home / 77,573.04-116,357.24-21,416.58

Finding the Fourth Proportional to 77,573.04, 116,357.24 and 21,416.58

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Solution

The fourth proportional to 77,573.04, 116,357.24 and 21,416.58 is: 32,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.04 : 116,357.24 = 21,416.58 : x
  2. Step 2: Convert to fraction form
    77,573.04/116,357.24 = 21,416.58/x
  3. Step 3: Cross multiply
    77,573.04x = 116,357.24 × 21,416.58
  4. Step 4: Simplify right side
    77,573.04x = 2,491,973,635.77
  5. Step 5: Solve for x
    x = 2,491,973,635.77/77,573.04
  6. Step 6: Final answer
    x = 32,124.22

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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.