Home / 111,462.04-153,817.62-63,716.42

Finding the Fourth Proportional to 111,462.04, 153,817.62 and 63,716.42

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Solution

The fourth proportional to 111,462.04, 153,817.62 and 63,716.42 is: 87,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,462.04 : 153,817.62 = 63,716.42 : x
  2. Step 2: Convert to fraction form
    111,462.04/153,817.62 = 63,716.42/x
  3. Step 3: Cross multiply
    111,462.04x = 153,817.62 × 63,716.42
  4. Step 4: Simplify right side
    111,462.04x = 9,800,708,079.32
  5. Step 5: Solve for x
    x = 9,800,708,079.32/111,462.04
  6. Step 6: Final answer
    x = 87,928.66

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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.