Home / 111,848.51-154,353.57-63,453.70

Finding the Fourth Proportional to 111,848.51, 154,353.57 and 63,453.70

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Solution

The fourth proportional to 111,848.51, 154,353.57 and 63,453.70 is: 87,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,848.51 : 154,353.57 = 63,453.70 : x
  2. Step 2: Convert to fraction form
    111,848.51/154,353.57 = 63,453.70/x
  3. Step 3: Cross multiply
    111,848.51x = 154,353.57 × 63,453.70
  4. Step 4: Simplify right side
    111,848.51x = 9,794,304,738.83
  5. Step 5: Solve for x
    x = 9,794,304,738.83/111,848.51
  6. Step 6: Final answer
    x = 87,567.60

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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.