Home / 111,829.01-154,265.21-66,474.73

Finding the Fourth Proportional to 111,829.01, 154,265.21 and 66,474.73

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Solution

The fourth proportional to 111,829.01, 154,265.21 and 66,474.73 is: 91,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,829.01 : 154,265.21 = 66,474.73 : x
  2. Step 2: Convert to fraction form
    111,829.01/154,265.21 = 66,474.73/x
  3. Step 3: Cross multiply
    111,829.01x = 154,265.21 × 66,474.73
  4. Step 4: Simplify right side
    111,829.01x = 10,254,737,411.82
  5. Step 5: Solve for x
    x = 10,254,737,411.82/111,829.01
  6. Step 6: Final answer
    x = 91,700.16

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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.