Home / 111,606.04-154,015.86-61,303.96

Finding the Fourth Proportional to 111,606.04, 154,015.86 and 61,303.96

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Solution

The fourth proportional to 111,606.04, 154,015.86 and 61,303.96 is: 84,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.04 : 154,015.86 = 61,303.96 : x
  2. Step 2: Convert to fraction form
    111,606.04/154,015.86 = 61,303.96/x
  3. Step 3: Cross multiply
    111,606.04x = 154,015.86 × 61,303.96
  4. Step 4: Simplify right side
    111,606.04x = 9,441,782,120.81
  5. Step 5: Solve for x
    x = 9,441,782,120.81/111,606.04
  6. Step 6: Final answer
    x = 84,599.20

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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.