Home / 111,607.22-154,019.30-60,620.56

Finding the Fourth Proportional to 111,607.22, 154,019.30 and 60,620.56

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Solution

The fourth proportional to 111,607.22, 154,019.30 and 60,620.56 is: 83,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,607.22 : 154,019.30 = 60,620.56 : x
  2. Step 2: Convert to fraction form
    111,607.22/154,019.30 = 60,620.56/x
  3. Step 3: Cross multiply
    111,607.22x = 154,019.30 × 60,620.56
  4. Step 4: Simplify right side
    111,607.22x = 9,336,736,216.81
  5. Step 5: Solve for x
    x = 9,336,736,216.81/111,607.22
  6. Step 6: Final answer
    x = 83,657.10

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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.