Home / 111,310.44-153,615.96-62,895.60

Finding the Fourth Proportional to 111,310.44, 153,615.96 and 62,895.60

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Solution

The fourth proportional to 111,310.44, 153,615.96 and 62,895.60 is: 86,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,310.44 : 153,615.96 = 62,895.60 : x
  2. Step 2: Convert to fraction form
    111,310.44/153,615.96 = 62,895.60/x
  3. Step 3: Cross multiply
    111,310.44x = 153,615.96 × 62,895.60
  4. Step 4: Simplify right side
    111,310.44x = 9,661,767,973.78
  5. Step 5: Solve for x
    x = 9,661,767,973.78/111,310.44
  6. Step 6: Final answer
    x = 86,800.20

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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.