Home / 111,904.96-154,424.24-64,125.04

Finding the Fourth Proportional to 111,904.96, 154,424.24 and 64,125.04

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Solution

The fourth proportional to 111,904.96, 154,424.24 and 64,125.04 is: 88,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,904.96 : 154,424.24 = 64,125.04 : x
  2. Step 2: Convert to fraction form
    111,904.96/154,424.24 = 64,125.04/x
  3. Step 3: Cross multiply
    111,904.96x = 154,424.24 × 64,125.04
  4. Step 4: Simplify right side
    111,904.96x = 9,902,460,566.97
  5. Step 5: Solve for x
    x = 9,902,460,566.97/111,904.96
  6. Step 6: Final answer
    x = 88,489.92

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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.