Home / 111,093.12-153,304.70-63,361.85

Finding the Fourth Proportional to 111,093.12, 153,304.70 and 63,361.85

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Solution

The fourth proportional to 111,093.12, 153,304.70 and 63,361.85 is: 87,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.12 : 153,304.70 = 63,361.85 : x
  2. Step 2: Convert to fraction form
    111,093.12/153,304.70 = 63,361.85/x
  3. Step 3: Cross multiply
    111,093.12x = 153,304.70 × 63,361.85
  4. Step 4: Simplify right side
    111,093.12x = 9,713,668,322.36
  5. Step 5: Solve for x
    x = 9,713,668,322.36/111,093.12
  6. Step 6: Final answer
    x = 87,437.17

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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.