Home / 121,624.48-182,441.84-38,516.64

Finding the Fourth Proportional to 121,624.48, 182,441.84 and 38,516.64

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Solution

The fourth proportional to 121,624.48, 182,441.84 and 38,516.64 is: 57,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.48 : 182,441.84 = 38,516.64 : x
  2. Step 2: Convert to fraction form
    121,624.48/182,441.84 = 38,516.64/x
  3. Step 3: Cross multiply
    121,624.48x = 182,441.84 × 38,516.64
  4. Step 4: Simplify right side
    121,624.48x = 7,027,046,672.22
  5. Step 5: Solve for x
    x = 7,027,046,672.22/121,624.48
  6. Step 6: Final answer
    x = 57,776.58

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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.