Home / 111,860.35-154,367.24-61,559.35

Finding the Fourth Proportional to 111,860.35, 154,367.24 and 61,559.35

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Solution

The fourth proportional to 111,860.35, 154,367.24 and 61,559.35 is: 84,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,860.35 : 154,367.24 = 61,559.35 : x
  2. Step 2: Convert to fraction form
    111,860.35/154,367.24 = 61,559.35/x
  3. Step 3: Cross multiply
    111,860.35x = 154,367.24 × 61,559.35
  4. Step 4: Simplify right side
    111,860.35x = 9,502,746,261.98
  5. Step 5: Solve for x
    x = 9,502,746,261.98/111,860.35
  6. Step 6: Final answer
    x = 84,951.88

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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.