Home / 111,297.74-166,876.38-61,412.60

Finding the Fourth Proportional to 111,297.74, 166,876.38 and 61,412.60

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Solution

The fourth proportional to 111,297.74, 166,876.38 and 61,412.60 is: 92,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,297.74 : 166,876.38 = 61,412.60 : x
  2. Step 2: Convert to fraction form
    111,297.74/166,876.38 = 61,412.60/x
  3. Step 3: Cross multiply
    111,297.74x = 166,876.38 × 61,412.60
  4. Step 4: Simplify right side
    111,297.74x = 10,248,312,374.39
  5. Step 5: Solve for x
    x = 10,248,312,374.39/111,297.74
  6. Step 6: Final answer
    x = 92,080.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.