Home / 112,695.24-155,523.61-64,305.03

Finding the Fourth Proportional to 112,695.24, 155,523.61 and 64,305.03

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Solution

The fourth proportional to 112,695.24, 155,523.61 and 64,305.03 is: 88,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,695.24 : 155,523.61 = 64,305.03 : x
  2. Step 2: Convert to fraction form
    112,695.24/155,523.61 = 64,305.03/x
  3. Step 3: Cross multiply
    112,695.24x = 155,523.61 × 64,305.03
  4. Step 4: Simplify right side
    112,695.24x = 10,000,950,406.76
  5. Step 5: Solve for x
    x = 10,000,950,406.76/112,695.24
  6. Step 6: Final answer
    x = 88,743.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.