Home / 72,448.13-108,682.33-68,464.13

Finding the Fourth Proportional to 72,448.13, 108,682.33 and 68,464.13

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Solution

The fourth proportional to 72,448.13, 108,682.33 and 68,464.13 is: 102,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448.13 : 108,682.33 = 68,464.13 : x
  2. Step 2: Convert to fraction form
    72,448.13/108,682.33 = 68,464.13/x
  3. Step 3: Cross multiply
    72,448.13x = 108,682.33 × 68,464.13
  4. Step 4: Simplify right side
    72,448.13x = 7,440,841,169.82
  5. Step 5: Solve for x
    x = 7,440,841,169.82/72,448.13
  6. Step 6: Final answer
    x = 102,705.77

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1.5x scale

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.