Home / 72,966.08-109,476.46-25,584.72

Finding the Fourth Proportional to 72,966.08, 109,476.46 and 25,584.72

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Solution

The fourth proportional to 72,966.08, 109,476.46 and 25,584.72 is: 38,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966.08 : 109,476.46 = 25,584.72 : x
  2. Step 2: Convert to fraction form
    72,966.08/109,476.46 = 25,584.72/x
  3. Step 3: Cross multiply
    72,966.08x = 109,476.46 × 25,584.72
  4. Step 4: Simplify right side
    72,966.08x = 2,800,924,575.69
  5. Step 5: Solve for x
    x = 2,800,924,575.69/72,966.08
  6. Step 6: Final answer
    x = 38,386.67

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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.