Home / 111,738.44-154,176.98-62,681.70

Finding the Fourth Proportional to 111,738.44, 154,176.98 and 62,681.70

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Solution

The fourth proportional to 111,738.44, 154,176.98 and 62,681.70 is: 86,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.44 : 154,176.98 = 62,681.70 : x
  2. Step 2: Convert to fraction form
    111,738.44/154,176.98 = 62,681.70/x
  3. Step 3: Cross multiply
    111,738.44x = 154,176.98 × 62,681.70
  4. Step 4: Simplify right side
    111,738.44x = 9,664,075,207.27
  5. Step 5: Solve for x
    x = 9,664,075,207.27/111,738.44
  6. Step 6: Final answer
    x = 86,488.37

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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.