Home / 73,709.04-110,562.95-21,118.58

Finding the Fourth Proportional to 73,709.04, 110,562.95 and 21,118.58

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Solution

The fourth proportional to 73,709.04, 110,562.95 and 21,118.58 is: 31,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,709.04 : 110,562.95 = 21,118.58 : x
  2. Step 2: Convert to fraction form
    73,709.04/110,562.95 = 21,118.58/x
  3. Step 3: Cross multiply
    73,709.04x = 110,562.95 × 21,118.58
  4. Step 4: Simplify right side
    73,709.04x = 2,334,932,004.59
  5. Step 5: Solve for x
    x = 2,334,932,004.59/73,709.04
  6. Step 6: Final answer
    x = 31,677.69

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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.