Home / 112,330.08-168,534-75,039.84

Finding the Fourth Proportional to 112,330.08, 168,534 and 75,039.84

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Solution

The fourth proportional to 112,330.08, 168,534 and 75,039.84 is: 112,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.08 : 168,534 = 75,039.84 : x
  2. Step 2: Convert to fraction form
    112,330.08/168,534 = 75,039.84/x
  3. Step 3: Cross multiply
    112,330.08x = 168,534 × 75,039.84
  4. Step 4: Simplify right side
    112,330.08x = 12,646,764,394.56
  5. Step 5: Solve for x
    x = 12,646,764,394.56/112,330.08
  6. Step 6: Final answer
    x = 112,585.73

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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.