Home / 73,588.24-110,385.88-21,005.36

Finding the Fourth Proportional to 73,588.24, 110,385.88 and 21,005.36

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Solution

The fourth proportional to 73,588.24, 110,385.88 and 21,005.36 is: 31,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.24 : 110,385.88 = 21,005.36 : x
  2. Step 2: Convert to fraction form
    73,588.24/110,385.88 = 21,005.36/x
  3. Step 3: Cross multiply
    73,588.24x = 110,385.88 × 21,005.36
  4. Step 4: Simplify right side
    73,588.24x = 2,318,695,148.32
  5. Step 5: Solve for x
    x = 2,318,695,148.32/73,588.24
  6. Step 6: Final answer
    x = 31,509.04

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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.