Home / 111,036-166,582.80-39,956.16

Finding the Fourth Proportional to 111,036, 166,582.80 and 39,956.16

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Solution

The fourth proportional to 111,036, 166,582.80 and 39,956.16 is: 59,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036 : 166,582.80 = 39,956.16 : x
  2. Step 2: Convert to fraction form
    111,036/166,582.80 = 39,956.16/x
  3. Step 3: Cross multiply
    111,036x = 166,582.80 × 39,956.16
  4. Step 4: Simplify right side
    111,036x = 6,656,009,010.05
  5. Step 5: Solve for x
    x = 6,656,009,010.05/111,036
  6. Step 6: Final answer
    x = 59,944.60

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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.